Update help files.
diff --git a/runtime/doc/term.txt b/runtime/doc/term.txt
index 717989a..7e4942e 100644
--- a/runtime/doc/term.txt
+++ b/runtime/doc/term.txt
@@ -1,4 +1,4 @@
-*term.txt*      For Vim version 7.4.  Last change: 2015 Feb 23
+*term.txt*      For Vim version 7.4.  Last change: 2015 Jun 25
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -301,6 +301,8 @@
 		|xterm-8bit| |v:termresponse| |'ttymouse'| |xterm-codes|
 	t_u7	request cursor position (for xterm)		*t_u7* *'t_u7'*
 		see |'ambiwidth'|
+	t_RB	request terminal background color		*t_RB* *'t_RB'*
+		see |'ambiwidth'|
 
 KEY CODES
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