diff --git a/PowerEditor/src/MISC/Common/precompiledHeaders.h b/PowerEditor/src/MISC/Common/precompiledHeaders.h
index b275c87fe..96bbf5c3c 100644
--- a/PowerEditor/src/MISC/Common/precompiledHeaders.h
+++ b/PowerEditor/src/MISC/Common/precompiledHeaders.h
@@ -66,7 +66,7 @@
 #include <Oleacc.h>
 
 #pragma warning(push)
-#pragma warning(disable: 4091)
+#pragma warning(disable: 4091) // 'keyword' : ignored on left of 'type' when no variable is declared
 #include <dbghelp.h>
 #pragma warning(pop)
 #include <eh.h>
diff --git a/PowerEditor/src/TinyXml/tinyXmlA/tinyxmlA.h b/PowerEditor/src/TinyXml/tinyXmlA/tinyxmlA.h
index 8a27d3ed4..63dd48ebe 100644
--- a/PowerEditor/src/TinyXml/tinyXmlA/tinyxmlA.h
+++ b/PowerEditor/src/TinyXml/tinyXmlA/tinyxmlA.h
@@ -28,7 +28,7 @@ distribution.
 
 #ifdef _MSC_VER
 #pragma warning( push )
-#pragma warning( disable : 4458 )
+#pragma warning( disable : 4458 ) // declaration of 'parameter' hides class member
 #pragma warning( disable : 4530 )
 #pragma warning( disable : 4786 )
 #endif
diff --git a/PowerEditor/src/TinyXml/tinyxml.h b/PowerEditor/src/TinyXml/tinyxml.h
index 143039e89..d3730a517 100644
--- a/PowerEditor/src/TinyXml/tinyxml.h
+++ b/PowerEditor/src/TinyXml/tinyxml.h
@@ -28,7 +28,7 @@ distribution.
 
 #ifdef _MSC_VER
 #pragma warning( push )
-#pragma warning( disable : 4458 )
+#pragma warning( disable : 4458 ) // declaration of 'parameter' hides class member
 #pragma warning( disable : 4530 )
 #pragma warning( disable : 4786 )
 #endif