diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index bbb8a17..8048a54 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 7.3d.  Last change: 2010 Jul 28
+*eval.txt*	For Vim version 7.3d.  Last change: 2010 Aug 04
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -535,6 +535,10 @@
 
 It is not necessary to use the "dict" attribute for a numbered function.
 
+If you get an error for a numbered function, you can find out what it is with
+a trick.  Assuming the function is 42, the command is: >
+	:function {42}
+
 
 Functions for Dictionaries ~
 							*E715*