Update README.md

Co-Authored-By: Samar Dhwoj Acharya <[email protected]>

README.md

@@ -535,7 +535,7 @@ See also [awesome-industrial-control-system-security](https://github.com/hslatma
 ### Other Lists Online
 
 * [.NET Programming](https://github.com/quozd/awesome-dotnet) - Software framework for Microsoft Windows platform development.
-* [Infosec/hacking videos recorded by cooper](https://administraitor.video) - Collection of security conferences recorded by Cooper
+* [Infosec/hacking videos recorded by cooper](https://administraitor.video) - Collection of security conferences recorded by Cooper.
 * [Android Exploits](https://github.com/sundaysec/Android-Exploits) - Guide on Android Exploitation and Hacks.
 * [Android Security](https://github.com/ashishb/android-security-awesome) - Collection of Android security related resources.
 * [AppSec](https://github.com/paragonie/awesome-appsec) - Resources for learning about application security.