fix typo in documentation of git-svn

index aad452f..8845e10 100644
@@ -256,7 +256,7 @@ first have already been pushed into SVN.
        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'::