--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 7.4.  Last change: 2015 Jul 10
+*eval.txt*	For Vim version 7.4.  Last change: 2015 Jul 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -4405,7 +4405,7 @@ match({expr}, {pat}[, {start}[, {count}]
 		done like 'magic' is set and 'cpoptions' is empty.
 
 					*matchadd()* *E798* *E799* *E801*
-matchadd({group}, {pattern}[, {priority}[, {id}]])
+matchadd({group}, {pattern}[, {priority}[, {id} [, {dict}]]])
 		Defines a pattern to be highlighted in the current window (a
 		"match").  It will be highlighted with {group}.  Returns an
 		identification number (ID), which can be used to delete the
@@ -4413,6 +4413,8 @@ matchadd({group}, {pattern}[, {priority}
 		Matching is case sensitive and magic, unless case sensitivity
 		or magicness are explicitly overridden in {pattern}.  The
 		'magic', 'smartcase' and 'ignorecase' options are not used.
+		The "Conceal" value is special, it causes the match to be
+		concealed.
 
 		The optional {priority} argument assigns a priority to the
 		match.	A match with a high priority will have its