docs; fixed docstring

vcsserver/remote/svn_remote.py

@@ -182,10 +182,9 b' class SvnRemote(RemoteBase):'
         return True
 
     def is_path_valid_repository(self, wire, path):
-
         # NOTE(marcink):  short circuit the check for SVN repo
         # the repos.open might be expensive to check, but we have one cheap
-        # pre condition that we can use, to check for 'format' file
+        # pre-condition that we can use, to check for 'format' file
         if not os.path.isfile(os.path.join(path, 'format')):
             return False