in got.1, add the -R option to synopsis of got fetch
diff --git a/got/got.1 b/got/got.1
index c42f0af..efbe8f0 100644
--- a/got/got.1
+++ b/got/got.1
@@ -300,7 +300,7 @@ namespace.
.It Cm cl
Short alias for
.Cm clone .
-.It Cm fetch Oo Fl a Oc Oo Fl b Ar branch Oc Oo Fl d Oc Oo Fl l Oc Oo Fl r Ar repository-path Oc Oo Fl t Oc Oo Fl q Oc Oo Fl v Oc Op Ar remote-repository
+.It Cm fetch Oo Fl a Oc Oo Fl b Ar branch Oc Oo Fl d Oc Oo Fl l Oc Oo Fl r Ar repository-path Oc Oo Fl t Oc Oo Fl q Oc Oo Fl v Oc Oo Fl R Ar reference Oc Op Ar remote-repository
Fetch new changes from a remote repository.
If no
.Ar remote-repository