docs: Update link to sphinx website (#608)

Kn99HN · ShaneHarvey · commit a01fec53f6f2 · 2021-04-26T13:56:06.000-07:00
(cherry picked from commit 61ab9ca)
diff --git a/README.rst b/README.rst
@@ -228,4 +228,4 @@ Or with Eventlet's::
 
     $ python green_framework_test.py eventlet
 
-.. _sphinx: http://sphinx.pocoo.org/
+.. _sphinx: https://www.sphinx-doc.org/en/master/
diff --git a/doc/contributors.rst b/doc/contributors.rst
@@ -88,3 +88,4 @@ The following is a list of people who have contributed to
 - Terence Honles (terencehonles)
 - Paul Fisher (thetorpedodog)
 - Julius Park (juliusgeo)
+- Khanh Nguyen (KN99HN)
diff --git a/doc/index.rst b/doc/index.rst
@@ -89,7 +89,7 @@ For older versions of the documentation please see the
 About This Documentation
 ------------------------
 This documentation is generated using the `Sphinx
-<http://sphinx.pocoo.org/>`_ documentation generator. The source files
+<https://www.sphinx-doc.org/en/master/>`_ documentation generator. The source files
 for the documentation are located in the *doc/* directory of the
 **PyMongo** distribution. To generate the docs locally run the
 following command from the root directory of the **PyMongo** source:

Original file line number	Diff line number	Diff line change
`@@ -228,4 +228,4 @@ Or with Eventlet's::`
`228`	`228`
`229`	`229`	`$ python green_framework_test.py eventlet`
`230`	`230`
`231`		`-.. _sphinx: http://sphinx.pocoo.org/`
	`231`	`+.. _sphinx: https://www.sphinx-doc.org/en/master/`