diff --git a/runtime/doc/gui.txt b/runtime/doc/gui.txt
index 3bb7fc9..985fdea 100644
--- a/runtime/doc/gui.txt
+++ b/runtime/doc/gui.txt
@@ -1096,8 +1096,9 @@
 
 For Mac OSX you can use something like this: >
     :set guifont=Monaco:h10
-Also see 'macatsui', it can help fix display problems.
-							*E236*
+
+Mono-spaced fonts					*E236*
+
 Note that the fonts must be mono-spaced (all characters have the same width).
 An exception is GTK: all fonts are accepted, but mono-spaced fonts look best.