user-manual: don't assume refs are stored under .git/refs

diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt
index 5baaaca0b5433ae279b3961d72d0cffa8ca046e3..6c32c6d18ead2047ce590e2853bbc1a5a2dd1e7c 100644 (file)
--- a/Documentation/git-mergetool.txt
+++ b/Documentation/git-mergetool.txt
@@ -25,12 +25,12 @@ OPTIONS
 -t or --tool=<tool>::
        Use the merge resolution program specified by <tool>.
        Valid merge tools are:
-       kdiff3, tkdiff, meld, xxdiff, emerge, and vimdiff.
-
-       If a merge resolution program is not specified, 'git mergetool'
-       will use the configuration variable merge.tool.  If the
-       configuration variable merge.tool is not set, 'git mergetool'
-       will pick a suitable default.
+       kdiff3, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff, and opendiff
++
+If a merge resolution program is not specified, 'git mergetool'
+will use the configuration variable merge.tool.  If the
+configuration variable merge.tool is not set, 'git mergetool'
+will pick a suitable default.
 
 Author
 ------
@@ -43,4 +43,3 @@ Documentation by Theodore Y Ts'o.
 GIT
 ---
 Part of the gitlink:git[7] suite
-