--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*      For Vim version 7.0aa.  Last change: 2005 Jul 07
+*eval.txt*      For Vim version 7.0aa.  Last change: 2005 Jul 18
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -3979,8 +3979,10 @@ synID({lnum}, {col}, {trans})				*synID(
 		{lnum} and {col} in the current window.
 		The syntax ID can be used with |synIDattr()| and
 		|synIDtrans()| to obtain syntax information about text.
+
 		{col} is 1 for the leftmost column, {lnum} is 1 for the first
-		line.
+		line.  'synmaxcol' applies, in a longer line zero is returned.
+
 		When {trans} is non-zero, transparent items are reduced to the
 		item that they reveal.  This is useful when wanting to know
 		the effective color.  When {trans} is zero, the transparent