Doc fix for the issue2637.
diff --git a/Doc/library/urllib.rst b/Doc/library/urllib.rst
index f6fe045..90c0fa5 100644
--- a/Doc/library/urllib.rst
+++ b/Doc/library/urllib.rst
@@ -203,9 +203,10 @@
.. function:: quote(string[, safe])
Replace special characters in *string* using the ``%xx`` escape. Letters,
- digits, and the characters ``'_.-'`` are never quoted. The optional *safe*
- parameter specifies additional characters that should not be quoted --- its
- default value is ``'/'``.
+ digits, and the characters ``'_.-'`` are never quoted. By default, this
+ function is intended for quoting the path section of the URL.The optional
+ *safe* parameter specifies additional characters that should not be quoted
+ --- its default value is ``'/'``.
Example: ``quote('/~connolly/')`` yields ``'/%7econnolly/'``.