docs: fix broken Markdown link (issue #9113)

Author: manit2004

etc/pydocstyle/README.md

@@ -1,3 +1,23 @@
+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2017 The Stdlib Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+-->
+
 # pydocstyle
 
 > [pydocstyle][pydocstyle] configuration.
@@ -24,7 +44,7 @@ This directory contains [pydocstyle][pydocstyle] configuration files.
 
 <section class="links">
 
-[pydocstyle]: http://pydocstyle.com/
+[pydocstyle]: https://github.com/PyCQA/pydocstyle
 
 </section>