Fix links from validation report

Author: Kraig Brockschmidt

docs/ide/quickstart-python.md

@@ -117,7 +117,7 @@ You're now ready to add a bit of Python code to implement a minimal web app.
 
 **Question: Where can I learn more about Flask?**
 
-**Answer**: Refer to the Flask documentation, starting with the [Flask Quickstart](https://flask.pocoo.org/docs/0.12/quickstart/) (flask.pocoo.org).
+**Answer**: Refer to the Flask documentation, starting with the [Flask Quickstart](http://flask.pocoo.org/docs/0.12/quickstart/#quickstart) (flask.pocoo.org).
 
 ## Run the application
 

docs/python/azure-sdk-for-python.md

@@ -38,7 +38,7 @@ You can also follow [Install Python and the SDK](https://docs.microsoft.com/azur
 
 ## Documentation
 
-Documentation can be found on [azure-sdk-for-python.readthedocs.org](http://azure-sdk-for-python.readthedocs.org/en/latest/index.html).
+Documentation can be found on [azure-sdk-for-python.readthedocs.org](https://docs.microsoft.com/en-us/python/azure/?view=azure-python).
 
 The [Azure SDK for Python Developer Center](http://azure.microsoft.com/develop/python/) also has a number of helpful resources, including a number of tutorials:
 

docs/python/overview-of-python-tools-for-visual-studio.md

@@ -70,14 +70,16 @@ A. Python is generally an interpreted language, with which code is run on demand
 Python features can be installed in the following editions of Visual Studio as described in the [installation guide](installing-python-support-in-visual-studio.md):
 
 - [Visual Studio 2017 (all editions)](https://www.visualstudio.com/vs/)
-- [Visual Studio 2015 (all editions)] (https://www.visualstudio.com/en-us/downloads/visual-studio-2015-downloads-vs)
+- Visual Studio 2015 (all editions)
 - Visual Studio 2013 Community Edition
 - Visual Studio 2013 Express for Web, Update 2 or higher
 - Visual Studio 2013 Express for Desktop, Update 2 or higher
 - Visual Studio 2013 (Pro edition or higher)
 - Visual Studio 2012 (Pro edition or higher)
 - Visual Studio 2010 SP1 (Pro edition or higher; .NET 4.5 required)
 
+Visual Studio 2015 and earlier are available at [visualstudio.com/vs/older-downloads/](https://www.visualstudio.com/vs/older-downloads/).
+
 > [!Important]
 > Features are fully supported and maintained for only the latest version of Visual Studio. Features are available in older versions but are not actively maintained.