document "mg" as alias for the "merge" command
diff --git a/got/got.1 b/got/got.1
index bdded67..cf8d6c0 100644
--- a/got/got.1
+++ b/got/got.1
@@ -2147,7 +2147,9 @@ committed with
.Cm got commit
or reverted with
.Cm got revert .
+.Tg mg
.It Cm merge Oo Fl a Oc Oo Fl c Oc Oo Fl n Oc Op Ar branch
+.Dl (alias: Cm mg )
Create a merge commit based on the current branch of the work tree and
the specified
.Ar branch .