diff --git a/BaseTools/ChangeLog.txt b/BaseTools/ChangeLog.txt
index 9a047f5142..401390ddc0 100644
--- a/BaseTools/ChangeLog.txt
+++ b/BaseTools/ChangeLog.txt
@@ -38,6 +38,16 @@ EDK_0000: Compatible: owner
 !!!!!!!!!!!!!!!!!!                     End of Notes                     !!!!!!!!!!!!!!!!!!
 ##########################################################################################
 
+==========================================================================================
+EDK_3936: Compatible: klu2
+
+      Class_BuildTool:
+        1) The first parameter of PEIM's entry point in autogen.c has been changed to 
+           EFI_PEI_FILE_HANDLE
+ 
+        Code Change :
+        1) BaseTools/Bin/Win32/build.exe
+
 ==========================================================================================
 EDK_3926: Compatible: jlin16