diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
index 2389d54926..795443ef74 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
@@ -1878,7 +1878,7 @@ AtaPassThruResetDevice (
 }
 
 /**
-  Sumbit ATAPI request sense command.
+  Submit ATAPI request sense command.
 
   @param[in] This            A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
   @param[in] Target          The Target is an array of size TARGET_MAX_BYTES and it represents
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
index e7449f9714..cb7f1f031e 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
@@ -1005,7 +1005,7 @@ AtaBlockIoReset (
   @param[in, out]  Token      A pointer to the token associated with the transaction.
   @param[in]       BufferSize Size of Buffer, must be a multiple of device block size.
   @param[out]      Buffer     A pointer to the destination/source buffer for the data.
-  @param[in]       IsBlockIo2 Indicate the calling is from BlockIO or BlockIO2. TURE is
+  @param[in]       IsBlockIo2 Indicate the calling is from BlockIO or BlockIO2. TRUE is
                               from BlockIO2, FALSE is for BlockIO.
   @param[in]       IsWrite    Indicates whether it is a write operation.
 
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
index 4f064f7651..eeb7de34ab 100644
--- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
@@ -1649,9 +1649,9 @@ InitKeyboard (
 
   ConsoleIn->IsSupportPartialKey = FALSE;
   //
-  // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,
+  // For resetting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,
   // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected
-  // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,
+  // to system. So we only do the real resetting for keyboard when user asks and there is a real KB connected t system,
   // and normally during booting an OS, it's skipped.
   //
   if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
index 4384935443..4df1b890e6 100644
--- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
@@ -55,7 +55,7 @@ KbdControllerDriverStart (
   );
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This              Protocol instance pointer.
@@ -460,7 +460,7 @@ ErrorExit:
 }
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This              Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c
index 0c0a1f48d9..04d536c76c 100644
--- a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c
+++ b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c
@@ -510,7 +510,7 @@ PS2MouseRead (
 
   @param Command I/O command.
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -545,7 +545,7 @@ Out8042Command (
 
   @param Data    Data value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -571,7 +571,7 @@ Out8042Data (
 
   @param Data    Data value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -610,7 +610,7 @@ In8042Data (
   @param Command Aux I/O command
   @param Resend  Whether need resend the Aux command.
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -688,7 +688,7 @@ Out8042AuxCommand (
 
   @param Data    Buffer holding return value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow.
+  @retval EFI_SUCCESS Success to execute I/O work flow.
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -729,7 +729,7 @@ Out8042AuxData (
 
   @param Data    Buffer holding return value.
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.h b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.h
index 26535fc948..c854e68b29 100644
--- a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.h
+++ b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.h
@@ -279,7 +279,7 @@ PS2MouseRead (
 
   @param Command I/O command.
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -292,7 +292,7 @@ Out8042Command (
 
   @param Data    Data value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -305,7 +305,7 @@ In8042Data (
 
   @param Data    Data value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -319,7 +319,7 @@ Out8042Data (
   @param Command Aux I/O command
   @param Resend  Whether need resend the Aux command.
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -333,7 +333,7 @@ Out8042AuxCommand (
 
   @param Data    Buffer holding return value.
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
@@ -346,7 +346,7 @@ In8042AuxData (
 
   @param Data    Buffer holding return value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
index 91fac556cf..1586935cde 100644
--- a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
+++ b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
@@ -431,7 +431,7 @@ ErrorExit:
 }
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This              Protocol instance pointer.
@@ -528,14 +528,14 @@ PS2MouseDriverStop (
 
 /**
   Reset the Mouse and do BAT test for it, if ExtendedVerification is TRUE and
-  there is a mouse device connectted to system.
+  there is a mouse device connected to system.
 
   @param This                 - Pointer of simple pointer Protocol.
   @param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
 
 
   @retval EFI_SUCCESS         - The command byte is written successfully.
-  @retval EFI_DEVICE_ERROR    - Errors occurred during reseting keyboard.
+  @retval EFI_DEVICE_ERROR    - Errors occurred during resetting keyboard.
 
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.h b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.h
index 6419b89a70..9e62f740fe 100644
--- a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.h
+++ b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.h
@@ -151,7 +151,7 @@ PS2MouseDriverStart (
   );
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This              Protocol instance pointer.
@@ -304,14 +304,14 @@ Ps2MouseComponentNameGetControllerName (
 
 /**
   Reset the Mouse and do BAT test for it, if ExtendedVerification is TRUE and
-  there is a mouse device connectted to system.
+  there is a mouse device connected to system.
 
   @param This                 - Pointer of simple pointer Protocol.
   @param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
 
 
   @retval EFI_SUCCESS         - The command byte is written successfully.
-  @retval EFI_DEVICE_ERROR    - Errors occurred during reseting keyboard.
+  @retval EFI_DEVICE_ERROR    - Errors occurred during resetting keyboard.
 
 **/
 EFI_STATUS
@@ -374,7 +374,7 @@ PollMouse (
 
   @param Data    Data value
 
-  @retval EFI_SUCCESS Success to excute I/O work flow
+  @retval EFI_SUCCESS Success to execute I/O work flow
   @retval EFI_TIMEOUT Keyboard controller time out.
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c
index c7a6a400cf..5173a9d599 100644
--- a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c
@@ -2018,7 +2018,7 @@ CLOSE_PCIIO:
 
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This                 Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
index be81bde40d..3415816c53 100644
--- a/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
@@ -85,13 +85,13 @@ typedef struct _USB2_HC_DEV  USB2_HC_DEV;
 #define  EHC_TPL                     TPL_NOTIFY
 
 //
-//Iterate through the doule linked list. NOT delete safe
+//Iterate through the double linked list. NOT delete safe
 //
 #define EFI_LIST_FOR_EACH(Entry, ListHead)    \
   for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)
 
 //
-//Iterate through the doule linked list. This is delete-safe.
+//Iterate through the double linked list. This is delete-safe.
 //Don't touch NextEntry
 //
 #define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead)            \
@@ -146,7 +146,7 @@ struct _USB2_HC_DEV {
   EHC_QH                   *ReclaimHead;
 
   //
-  // Peroidic (interrupt) transfer schedule data:
+  // Periodic (interrupt) transfer schedule data:
   //
   VOID                      *PeriodFrame;     // the buffer pointed by this pointer is used to store pci bus address of the QH descriptor.
   VOID                      *PeriodFrameHost; // the buffer pointed by this pointer is used to store host memory address of the QH descriptor.
@@ -225,7 +225,7 @@ EhcDriverBindingStart (
   );
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This                 Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/EhciPei/EhcPeim.h b/MdeModulePkg/Bus/Pci/EhciPei/EhcPeim.h
index 74037769a4..d7a68d9095 100644
--- a/MdeModulePkg/Bus/Pci/EhciPei/EhcPeim.h
+++ b/MdeModulePkg/Bus/Pci/EhciPei/EhcPeim.h
@@ -66,13 +66,13 @@ typedef struct _PEI_USB2_HC_DEV PEI_USB2_HC_DEV;
 #define EHC_SYNC_POLL_INTERVAL       (6 * EHC_1_MILLISECOND)
 
 //
-//Iterate through the doule linked list. NOT delete safe
+//Iterate through the double linked list. NOT delete safe
 //
 #define EFI_LIST_FOR_EACH(Entry, ListHead)    \
   for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)
 
 //
-//Iterate through the doule linked list. This is delete-safe.
+//Iterate through the double linked list. This is delete-safe.
 //Don't touch NextEntry
 //
 #define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead)            \
@@ -119,7 +119,7 @@ struct _PEI_USB2_HC_DEV {
   PEI_EHC_QH                          *ReclaimHead;
   
   //
-  // Peroidic (interrupt) transfer schedule data:
+  // Periodic (interrupt) transfer schedule data:
   //
   VOID                                *PeriodFrame;     // Mapped as common buffer 
   VOID                                *PeriodFrameHost;
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c
index a463bea80f..f3be47a496 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c
@@ -113,7 +113,7 @@ PciBusEntryPoint (
 
   @param  This                Protocol instance pointer.
   @param  Controller          Handle of device to test.
-  @param  RemainingDevicePath Optional parameter use to pick a specific child.
+  @param  RemainingDevicePath Optional parameter use to pick a specific child
                               device to start.
 
   @retval EFI_SUCCESS         This driver supports this device.
@@ -223,7 +223,7 @@ PciBusDriverBindingSupported (
 
   @param  This                 Protocol instance pointer.
   @param  Controller           Handle of device to bind driver to.
-  @param  RemainingDevicePath  Optional parameter use to pick a specific child.
+  @param  RemainingDevicePath  Optional parameter use to pick a specific child
                                device to start.
 
   @retval EFI_SUCCESS          This driver is added to ControllerHandle.
@@ -332,7 +332,7 @@ PciBusDriverBindingStart (
 }
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This              Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
index b12d7ec503..39ba8b9f33 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h
@@ -203,7 +203,7 @@ struct _PCI_IO_DEVICE {
   LIST_ENTRY                                ChildList;
 
   //
-  // TURE if the PCI bus driver creates the handle for this PCI device
+  // TRUE if the PCI bus driver creates the handle for this PCI device
   //
   BOOLEAN                                   Registered;
 
@@ -285,7 +285,7 @@ struct _PCI_IO_DEVICE {
   UINT16                                    ReservedBusNum;
   //
   // Per PCI to PCI Bridge spec, I/O window is 4K aligned,
-  // but some chipsets support non-stardard I/O window aligments less than 4K.
+  // but some chipsets support non-standard I/O window alignments less than 4K.
   // This field is used to support this case.
   //
   UINT16                                    BridgeIoAlignment;
@@ -327,8 +327,8 @@ extern BOOLEAN                                      mReserveVgaAliases;
 
   @param  _p      Specified device.
 
-  @retval TRUE    Device is a a GFX device.
-  @retval FALSE   Device is not a a GFX device.
+  @retval TRUE    Device is a GFX device.
+  @retval FALSE   Device is not a GFX device.
 
 **/
 #define IS_PCI_GFX(_p)     IS_CLASS2 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_OTHER)
@@ -339,7 +339,7 @@ extern BOOLEAN                                      mReserveVgaAliases;
 
   @param  This                Protocol instance pointer.
   @param  Controller          Handle of device to test.
-  @param  RemainingDevicePath Optional parameter use to pick a specific child.
+  @param  RemainingDevicePath Optional parameter use to pick a specific child
                               device to start.
 
   @retval EFI_SUCCESS         This driver supports this device.
@@ -361,7 +361,7 @@ PciBusDriverBindingSupported (
 
   @param  This                 Protocol instance pointer.
   @param  Controller           Handle of device to bind driver to.
-  @param  RemainingDevicePath  Optional parameter use to pick a specific child.
+  @param  RemainingDevicePath  Optional parameter use to pick a specific child
                                device to start.
 
   @retval EFI_SUCCESS          This driver is added to ControllerHandle.
@@ -378,7 +378,7 @@ PciBusDriverBindingStart (
   );
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This              Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
index 80f2885005..ac4d323c7a 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
@@ -599,14 +599,14 @@ GatherPpbInfo (
 
   //
   // if PcdPciBridgeIoAlignmentProbe is TRUE, PCI bus driver probes
-  // PCI bridge supporting non-stardard I/O window alignment less than 4K.
+  // PCI bridge supporting non-standard I/O window alignment less than 4K.
   //
 
   PciIoDevice->BridgeIoAlignment = 0xFFF;
   if (FeaturePcdGet (PcdPciBridgeIoAlignmentProbe)) {
     //
     // Check any bits of bit 3-1 of I/O Base Register are writable.
-    // if so, it is assumed non-stardard I/O window alignment is supported by this bridge.
+    // if so, it is assumed non-standard I/O window alignment is supported by this bridge.
     // Per spec, bit 3-1 of I/O Base Register are reserved bits, so its content can't be assumed.
     //
     Value = (UINT8)(Temp ^ (BIT3 | BIT2 | BIT1));
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c
index 337a6db7de..c13e99bcee 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciLib.c
@@ -429,7 +429,7 @@ PciHostBridgeResourceAllocator (
       //
 
       //
-      // If non-stardard PCI Bridge I/O window alignment is supported,
+      // If non-standard PCI Bridge I/O window alignment is supported,
       // set I/O aligment to minimum possible alignment for root bridge.
       //
       IoBridge = CreateResourceNode (
diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.c b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.c
index a4cb27af90..1fcc8b5f32 100644
--- a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.c
+++ b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.c
@@ -1833,7 +1833,7 @@ CLOSE_PCIIO:
 
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This                 Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
index 8635d8231c..fc23a75a96 100644
--- a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
+++ b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
@@ -197,7 +197,7 @@ UhciDriverBindingStart (
   );
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This                 Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
index 1058f03030..2f6137ef57 100644
--- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
+++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
@@ -2149,7 +2149,7 @@ CLOSE_PCIIO:
 
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This                 Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h
index 0f53bb0eff..06cc73c7cb 100644
--- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h
+++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h
@@ -84,7 +84,7 @@ typedef struct _USB_DEV_CONTEXT      USB_DEV_CONTEXT;
 #define INT_INTER_ASYNC              4
 
 //
-// Iterate through the doule linked list. This is delete-safe.
+// Iterate through the double linked list. This is delete-safe.
 // Don't touch NextEntry
 //
 #define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \
@@ -308,7 +308,7 @@ XhcDriverBindingStart (
   );
 
 /**
-  Stop this driver on ControllerHandle. Support stoping any child handles
+  Stop this driver on ControllerHandle. Support stopping any child handles
   created by this driver.
 
   @param  This                 Protocol instance pointer.
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
index 4f7087f44f..7fc82bae7a 100644
--- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
+++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h
@@ -51,7 +51,7 @@ typedef struct {
 } UFS_EXPOSED_LUNS;
 
 //
-// Iterate through the doule linked list. This is delete-safe.
+// Iterate through the double linked list. This is delete-safe.
 // Do not touch NextEntry
 //
 #define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead)            \
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
index 96c3622821..d5de1ac7d1 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
@@ -20,7 +20,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
   @param  UsbMass                The device whose sense data is requested.
 
-  @retval EFI_SUCCESS            The command is excuted successfully.
+  @retval EFI_SUCCESS            The command is executed successfully.
   @retval EFI_DEVICE_ERROR       Failed to request sense.
   @retval EFI_NO_RESPONSE        The device media doesn't response this request.
   @retval EFI_INVALID_PARAMETER  The command has some invalid parameters.
@@ -152,7 +152,7 @@ UsbBootRequestSense (
   @param  DataLen                The length of expected data
   @param  Timeout                The timeout used to transfer
 
-  @retval EFI_SUCCESS            Command is excuted successfully
+  @retval EFI_SUCCESS            Command is executed successfully
   @retval Others                 Command execution failed.
 
 **/
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c
index 0767ff0942..4c29b61121 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.c
@@ -392,7 +392,7 @@ UsbBotGetStatus (
   @param  CmdStatus             The result of high level command execution
 
   @retval EFI_SUCCESS           The command is executed successfully.
-  @retval Other                 Failed to excute command
+  @retval Other                 Failed to execute command
 
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.h b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.h
index bdbddf559b..502c6703bf 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.h
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBot.h
@@ -126,7 +126,7 @@ UsbBotInit (
   @param  CmdStatus             The result of high level command execution
 
   @retval EFI_SUCCESS           The command is executed successfully.
-  @retval Other                 Failed to excute command
+  @retval Other                 Failed to execute command
 
 **/
 EFI_STATUS