diff --git a/doc/compatibility-policy.rst b/doc/compatibility-policy.rst
index a20b9681eb..834f86ce54 100644
--- a/doc/compatibility-policy.rst
+++ b/doc/compatibility-policy.rst
@@ -59,4 +59,4 @@ deprecated PyMongo features.
 
 .. _the warnings module: https://docs.python.org/3/library/warnings.html
 
-.. _the -W command line option: https://docs.python.org/3/using/cmdline.html#cmdoption-w
+.. _the -W command line option: https://docs.python.org/3/using/cmdline.html#cmdoption-W
diff --git a/doc/tools.rst b/doc/tools.rst
index 7aea84cb0c..6dd0df8a4d 100644
--- a/doc/tools.rst
+++ b/doc/tools.rst
@@ -44,7 +44,7 @@ MincePy
    workflow as possible.
 
 Ming
-  `Ming <http://merciless.sourceforge.net/>`_ (the Merciless) is a
+  `Ming <https://ming.readthedocs.io/en/latest/>`_ is a
   library that allows you to enforce schemas on a MongoDB database in
   your Python application. It was developed by `SourceForge
   <http://sourceforge.net/>`_ in the course of their migration to