--- a/runtime/doc/tagsrch.txt
+++ b/runtime/doc/tagsrch.txt
@@ -257,6 +257,17 @@ g CTRL-]		Like CTRL-], but use ":tjump" 
 :tl[ast][!]		Jump to last matching tag.  See |tag-!| for [!].  {not
 			in Vi}
 
+							*:lt* *:ltag*
+:lt[ag][!] [ident]	Jump to tag [ident] and add the matching tags to a new
+			location list for the current window.  [ident] can be
+			a regexp pattern, see |tag-regexp|.  When [ident] is
+			not given, the last tag name from the tag stack is
+			used.  The search pattern to locate the tag line is
+			prefixed with "\V" to escape all the special
+			characters (very nomagic). The location list showing
+			the matching tags is independent of the tag stack.
+			See |tag-!| for [!].
+			{not in Vi}
 
 When there is no other message, Vim shows which matching tag has been jumped
 to, and the number of matching tags: >
@@ -275,6 +286,7 @@ skipped and the next matching tag is use
 missing files.  When the end of the list of matches has been reached, an error
 message is given.
 
+							*tag-preview*
 The tag match list can also be used in the preview window.  The commands are
 the same as above, with a "p" prepended.
 {not available when compiled without the |+quickfix| feature}