Mention that pull can work locally in the synopsis

Signed-off-by: NRobin Rosenberg <robin.rosenberg@dewire.com>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

Documentation/git-pull.txt

@@ -3,7 +3,7 @@ git-pull(1)
 
 NAME
 ----
-git-pull - Pull and merge from another repository
+git-pull - Pull and merge from another repository or a local branch
 
 
 SYNOPSIS

Documentation/git.txt

@@ -324,7 +324,7 @@ gitlink:git-mv[1]::
 	Move or rename a file, a directory, or a symlink.
 
 gitlink:git-pull[1]::
-	Fetch from and merge with a remote repository.
+	Fetch from and merge with a remote repository or a local branch.
 
 gitlink:git-push[1]::
 	Update remote refs along with associated objects.