diff --git a/doc/language/README.md b/doc/language/README.md
index 67946fe64..24dd598ac 100644
--- a/doc/language/README.md
+++ b/doc/language/README.md
@@ -6,4 +6,4 @@ which are provided together with mruby.
 
 ## Built-In Class and Modules
 
-see *doc/lang/Core.md*
+see *doc/language/Core.md*