path: clarify document of `get_clone_path`

This return a url as `bytes`, not a `path` object.

mercurial/utils/urlutil.py

@@ -582,7 +582,7 b' def get_unique_pull_path(action, repo, u'
 
 
 def get_clone_path(ui, source, default_branches=()):
-    """return the `(origsource, path, branch)` selected as clone source"""
+    """return the `(origsource, url, branch)` selected as clone source"""
     urls = []
     if source is None:
         if b'default' in ui.paths: