diff --git a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmCommon.h b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmCommon.h
index 61293ca864..cf1aef7ca4 100644
--- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmCommon.h
+++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmCommon.h
@@ -78,7 +78,7 @@ typedef struct {
 } SMM_FTW_GET_LAST_WRITE_HEADER;
 
 /**
-  Shared entry point of the module
+  Shared entry point of the module.
 
   @retval EFI_SUCCESS           The initialization finished successfully.
   @retval EFI_OUT_OF_RESOURCES  Allocate memory error
@@ -109,7 +109,7 @@ FtwSmmIsBufferOutsideSmmValid (
   );
 
 /**
-  Notify the system that the SMM FTW driver is ready
+  Notify the system that the SMM FTW driver is ready.
 **/
 VOID
 FtwNotifySmmReady (
diff --git a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandaloneMm.c b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandaloneMm.c
index 8a4ea5b476..c2aa501465 100644
--- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandaloneMm.c
+++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandaloneMm.c
@@ -65,7 +65,7 @@ FtwCalculateCrc32 (
 }
 
 /**
-  Notify the system that the SMM FTW driver is ready
+  Notify the system that the SMM FTW driver is ready.
 **/
 VOID
 FtwNotifySmmReady (
diff --git a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteTraditionalMm.c b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteTraditionalMm.c
index 0981c3c2a9..7c76e1f756 100644
--- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteTraditionalMm.c
+++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteTraditionalMm.c
@@ -72,7 +72,7 @@ FtwCalculateCrc32 (
 }
 
 /**
-  Notify the system that the SMM FTW driver is ready
+  Notify the system that the SMM FTW driver is ready.
 **/
 VOID
 FtwNotifySmmReady (
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h b/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h
index 0a886558f4..9b294e6b36 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/PrivilegePolymorphic.h
@@ -98,7 +98,7 @@ VariableSpeculationBarrier (
   );
 
 /**
-  Notify the system that the SMM variable driver is ready
+  Notify the system that the SMM variable driver is ready.
 **/
 VOID
 VariableNotifySmmReady (
@@ -106,7 +106,7 @@ VariableNotifySmmReady (
   );
 
 /**
-  Notify the system that the SMM variable write driver is ready
+  Notify the system that the SMM variable write driver is ready.
 **/
 VOID
 VariableNotifySmmWriteReady (
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.c
index 1e87ccfb5d..2eed038054 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableStandaloneMm.c
@@ -38,7 +38,7 @@ VariableSmmIsBufferOutsideSmmValid (
 }
 
 /**
-  Notify the system that the SMM variable driver is ready
+  Notify the system that the SMM variable driver is ready.
 **/
 VOID
 VariableNotifySmmReady (
@@ -48,7 +48,7 @@ VariableNotifySmmReady (
 }
 
 /**
-  Notify the system that the SMM variable write driver is ready
+  Notify the system that the SMM variable write driver is ready.
 **/
 VOID
 VariableNotifySmmWriteReady (
@@ -58,7 +58,7 @@ VariableNotifySmmWriteReady (
 }
 
 /**
-  Variable service MM driver entry point
+  Variable service MM driver entry point.
 
   @param[in] ImageHandle    A handle for the image that is initializing this
                             driver
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableTraditionalMm.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableTraditionalMm.c
index 84f2d12b58..42e2c63c3a 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableTraditionalMm.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableTraditionalMm.c
@@ -40,7 +40,7 @@ VariableSmmIsBufferOutsideSmmValid (
 }
 
 /**
-  Notify the system that the SMM variable driver is ready
+  Notify the system that the SMM variable driver is ready.
 **/
 VOID
 VariableNotifySmmReady (
@@ -61,7 +61,7 @@ VariableNotifySmmReady (
 }
 
 /**
-  Notify the system that the SMM variable write driver is ready
+  Notify the system that the SMM variable write driver is ready.
 **/
 VOID
 VariableNotifySmmWriteReady (