diff --git a/share/completions/git.fish b/share/completions/git.fish
index 3bb459e5f..bbbb51d31 100644
--- a/share/completions/git.fish
+++ b/share/completions/git.fish
@@ -882,7 +882,9 @@ short\t<sha1> / <author> / <title line>
 medium\t<sha1> / <author> / <author date> / <title> / <commit msg>
 full\t<sha1> / <author> / <committer> / <title> / <commit msg>
 fuller\t<sha1> / <author> / <author date> / <committer> / <committer date> / <title> / <commit msg>
+reference\t<abbrev-hash> (<title-line>, <short-author-date>)
 email\t<sha1> <date> / <author> / <author date> / <title> / <commit msg>
+mboxrd\tLike email, but lines in the commit message starting with \"From \" are quoted with \">\"
 raw\tShow the entire commit exactly as stored in the commit object
 format:\tSpecify which information to show"
     end