diff --git a/MdePkg/Library/BaseLib/Ia32/GccInline.c b/MdePkg/Library/BaseLib/Ia32/GccInline.c
index c988fa8f3c..e6a9e171f4 100644
--- a/MdePkg/Library/BaseLib/Ia32/GccInline.c
+++ b/MdePkg/Library/BaseLib/Ia32/GccInline.c
@@ -32,8 +32,8 @@ MemoryFence (
   )
 {
   // This is a little bit of overkill and it is more about the compiler that it is
-  // actually processor syncronization. This is like the _ReadWriteBarrier 
-  // Microsft specific intrinsic
+  // actually processor synchronization. This is like the _ReadWriteBarrier 
+  // Microsoft specific intrinsic
   __asm__ __volatile__ ("":::"memory");
 }
 
diff --git a/MdePkg/Library/BaseLib/X64/GccInline.c b/MdePkg/Library/BaseLib/X64/GccInline.c
index 18f3a6a8ae..8be2bef121 100644
--- a/MdePkg/Library/BaseLib/X64/GccInline.c
+++ b/MdePkg/Library/BaseLib/X64/GccInline.c
@@ -33,8 +33,8 @@ MemoryFence (
   )
 {
   // This is a little bit of overkill and it is more about the compiler that it is
-  // actually processor syncronization. This is like the _ReadWriteBarrier 
-  // Microsft specific intrinsic
+  // actually processor synchronization. This is like the _ReadWriteBarrier 
+  // Microsoft specific intrinsic
   __asm__ __volatile__ ("":::"memory");
 }