diff --git a/runtime/doc/if_mzsch.txt b/runtime/doc/if_mzsch.txt
index ca384cf..599552f 100644
--- a/runtime/doc/if_mzsch.txt
+++ b/runtime/doc/if_mzsch.txt
@@ -233,7 +233,7 @@
 ==============================================================================
 5. mzeval() Vim function				    *mzscheme-mzeval*
 
-To facilitate bi-directional interface, you can use |mzeval| function to
+To facilitate bi-directional interface, you can use |mzeval()| function to
 evaluate MzScheme expressions and pass their values to VimL.
 
 ==============================================================================