Documentation: "host:path/to/repo" is git native over ssh.

You could also spell it ssh://host:/path/to/repo (or git+ssh,
ssh+git), but without method:// is shorter to type, so mention
only that one in the short and sweet list.

Noticed by Pasky.

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/pull-fetch-param.txt

@@ -8,7 +8,7 @@
 - Rsync URL:		rsync://remote.machine/path/to/repo.git/
 - HTTP(s) URL:		http://remote.machine/path/to/repo.git/
 - git URL:		git://remote.machine/path/to/repo.git/
-			or remote.machine:/path/to/repo.git/
+- ssh URL:		remote.machine:/path/to/repo.git/
 - Local directory:	/path/to/repo.git/
 ===============================================================
 +