diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index ecaaa44deb7..a0be0679060 100644
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -51,7 +51,7 @@ parser
     the parser module
 select
     selectmodule.c
-unicodedata
+ucnhash, unicodedata
     large tables of Unicode data
 winreg
     Windows registry API