fetch doc: update refspec format description

The text made it sound as if the leading plus is the only thing that is optional, and forgot that <lhs> is the same as <lhs>:, i.e. fetch it and do not store anywhere. Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano committed May 29, 2014 at 13:28 UTC b8bdaa97a6447a1a1f9e635e6e2212858fdfe572
1 file changed +1
Documentation/pull-fetch-param.txt
+1
@@ -15,6 +15,7 @@ endif::git-pull[]
15 The format of a <refspec> parameter is an optional plus
16 `+`, followed by the source ref <src>, followed
17 by a colon `:`, followed by the destination ref <dst>.
18 + The colon can be omitted when <dst> is empty.
19 +
20 The remote ref that matches <src>
21 is fetched, and if <dst> is not empty string, the local