3 files changed, 7 insertions, 7 deletions
diff --git a/MdePkg/Library/PeiMemoryLib/MemLib.c b/MdePkg/Library/PeiMemoryLib/MemLib.c
index 207f580d45..82e50825c0 100644
--- a/MdePkg/Library/PeiMemoryLib/MemLib.c
+++ b/MdePkg/Library/PeiMemoryLib/MemLib.c
@@ -48,7 +48,7 @@ InternalMemCopyMem (
   This function wraps the gPS->SetMem ().
   
   @param  Buffer    Memory to set.
-  @param  Length    Number of bytes to set.
+  @param  Size    Number of bytes to set.
   @param  Value     Value of the set operation.
 
   @return Buffer.
diff --git a/MdePkg/Library/PeiMemoryLib/MemLibGeneric.c b/MdePkg/Library/PeiMemoryLib/MemLibGeneric.c
index 8fb417604d..2be052d4b9 100644
--- a/MdePkg/Library/PeiMemoryLib/MemLibGeneric.c
+++ b/MdePkg/Library/PeiMemoryLib/MemLibGeneric.c
@@ -96,7 +96,7 @@ InternalMemSetMem64 (
   Set Buffer to 0 for Size bytes.
 
   @param  Buffer Memory to set.
-  @param  Size Number of bytes to set
+  @param  Length Number of bytes to set
 
   @return Buffer
 
diff --git a/MdePkg/Library/PeiMemoryLib/MemLibInternals.h b/MdePkg/Library/PeiMemoryLib/MemLibInternals.h
index 3a0ab3481d..f7eba17988 100644
--- a/MdePkg/Library/PeiMemoryLib/MemLibInternals.h
+++ b/MdePkg/Library/PeiMemoryLib/MemLibInternals.h
@@ -35,9 +35,9 @@
 /**
   Copy Length bytes from Source to Destination.
 
-  @param  Destination Target of copy
-  @param  Source Place to copy from
-  @param  Length Number of bytes to copy
+  @param  DestinationBuffer Target of copy
+  @param  SourceBuffer      Place to copy from
+  @param  Length            Number of bytes to copy
 
   @return Destination
 
@@ -54,7 +54,7 @@ InternalMemCopyMem (
   Set Buffer to Value for Size bytes.
 
   @param  Buffer Memory to set.
-  @param  Size Number of bytes to set
+  @param  Length Number of bytes to set
   @param  Value Value of the set operation.
 
   @return Buffer
@@ -126,7 +126,7 @@ InternalMemSetMem64 (
   Set Buffer to 0 for Size bytes.
 
   @param  Buffer Memory to set.
-  @param  Size Number of bytes to set
+  @param  Length Number of bytes to set
 
   @return Buffer