updated for version 7.0186
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 2a812fe..4c04f09 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.0aa.  Last change: 2006 Jan 20
+*options.txt*	For Vim version 7.0aa.  Last change: 2006 Jan 23
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -162,6 +162,11 @@
 This sets the 'titlestring' option to "hi" and 'iconstring' to "there": >
    :set titlestring=hi|set iconstring=there
 
+Similarly, the double quote character starts a comment.  To include the '"' in
+the option value, use '\"' instead.  This example sets the 'titlestring'
+option to 'hi "there"': >
+   :set titlestring=hi\ \"there\"
+
 For MS-DOS and WIN32 backslashes in file names are mostly not removed.  More
 precise: For options that expect a file name (those where environment
 variables are expanded) a backslash before a normal file name character is not