Fix the incorrect links in docs under NPD

Author: vaibhav2107

CONTRIBUTING.md

@@ -14,7 +14,7 @@ If your repo has certain guidelines for contribution, put them here ahead of the
 
 - [Contributor License Agreement](https://git.k8s.io/community/CLA.md) Kubernetes projects require that you sign a Contributor License Agreement (CLA) before we can accept your pull requests
 - [Kubernetes Contributor Guide](http://git.k8s.io/community/contributors/guide) - Main contributor documentation, or you can just jump directly to the [contributing section](http://git.k8s.io/community/contributors/guide#contributing)
-- [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet.md) - Common resources for existing developers
+- [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet/README.md) - Common resources for existing developers
 
 ## Mentorship
 
@@ -28,4 +28,4 @@ Custom Information - if you're copying this template for the first time you can
 - [Slack channel](https://kubernetes.slack.com/messages/kubernetes-users) - Replace `kubernetes-users` with your slack channel string, this will send users directly to your channel. 
 - [Mailing list](URL) 
 
--->
+-->

README.md

@@ -212,7 +212,7 @@ To develop NPD on Windows you'll need to setup your Windows machine for Go devel
 * [Go](https://golang.org/)
 * [Visual Studio Code](https://code.visualstudio.com/)
 * [Make](http://gnuwin32.sourceforge.net/packages/make.htm)
-* [mingw-64 WinBuilds](http://mingw-w64.org/doku.php/download/win-builds)
+* [mingw-64 WinBuilds](http://mingw-w64.org/downloads)
   * Tested with x86-64 Windows Native mode.
   * Add the `$InstallDir\bin` to [Windows `PATH` variable](https://answers.microsoft.com/en-us/windows/forum/windows_10-other_settings-winpc/adding-path-variable/97300613-20cb-4d85-8d0e-cc9d3549ba23).