diff --git a/Lib/test/test_urllib.py b/Lib/test/test_urllib.py
index 16aa1751b09203..5527374020b80e 100644
--- a/Lib/test/test_urllib.py
+++ b/Lib/test/test_urllib.py
@@ -1575,11 +1575,11 @@ def test_url2pathname_win(self):
         self.assertEqual(fn('///C|/path/to/file'), 'C:\\path\\to\\file')
         self.assertEqual(fn("///C|/foo/bar/spam.foo"), 'C:\\foo\\bar\\spam.foo')
         # Non-ASCII drive letter
-        self.assertEqual(fn("///\u00e8|/"), "\\\u00e8|\\")
+        self.assertEqual(fn("///\u00e8|/"), "u00e8:\\")
         # UNC paths
         self.assertEqual(fn('//server/path/to/file'), '\\\\server\\path\\to\\file')
         self.assertEqual(fn('////server/path/to/file'), '\\\\server\\path\\to\\file')
-        self.assertEqual(fn('/////server/path/to/file'), '\\\\\\server\\path\\to\\file')
+        self.assertEqual(fn('/////server/path/to/file'), '\\\\server\\path\\to\\file')
         # Localhost paths
         self.assertEqual(fn('//localhost/C:/path/to/file'), 'C:\\path\\to\\file')
         self.assertEqual(fn('//localhost/C|/path/to/file'), 'C:\\path\\to\\file')
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index cc01034171a61f..28839a40b7833d 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -1654,7 +1654,7 @@ def url2pathname(url):
     """Convert the percent-encoded URL *url* to a local pathname."""
     scheme, authority, path = urlsplit(url, scheme='file')[:3]
     if scheme != 'file':
-        raise URLError(f'URI does not use "file" scheme: {url!r}')
+        raise URLError(f'URL {url!r} uses non-`file` scheme {scheme!r}')
     if os.name == 'nt':
         path = unquote(path)
         if authority and authority != 'localhost':
@@ -1673,7 +1673,7 @@ def url2pathname(url):
         path = path.replace('/', '\\')
     else:
         if not _is_local_host(authority):
-            raise URLError(f'file URI not on local host: {url!r}')
+            raise URLError(f'URL {url!r} uses non-local authority {authority!r}')
         path = unquote(path)
     return path