fix typo in documentation of git-svn

Signed-off-by: Felix Gruber <felgru@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
index aad452f..4dd3bcb 100644
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -256,7 +256,7 @@
 	For each patch, one may answer "yes" (accept this patch), "no" (discard this
 	patch), "all" (accept all patches), or "quit".
 	+
-	'git svn dcommit' returns immediately if answer if "no" or "quit", without
+       'git svn dcommit' returns immediately if answer is "no" or "quit", without
 	committing anything to SVN.
 
 'branch'::