Update README.md

Author: AndersDJohnson

README.md

@@ -2,8 +2,10 @@
 
 List of conventional commit types.
 
-* https://github.com/commitizen/cz-cli
-* https://docs.google.com/document/d/1QrDFcIiPjSLDn3EL15IJygNPiHORgU1_OOAqWjiDU5Y/edit#heading=h.8gbcep5xnw19
+Used by [commitizen/cz-conventional-changelog](https://github.com/commitizen/cz-conventional-changelog) for [commitizen/cz-cli](https://github.com/commitizen/cz-cli).
 
-Created for https://github.com/AndersDJohnson/conventional-commit-types-cli.
+Commit types originally from:
+* [AngularJS Git Commit Message Conventions](https://docs.google.com/document/d/1QrDFcIiPjSLDn3EL15IJygNPiHORgU1_OOAqWjiDU5Y/edit#heading=h.8gbcep5xnw19)
+* [commitizen/cz-conventional-changelog](https://github.com/commitizen/cz-conventional-changelog)
 
+Created for [AndersDJohnson/conventional-commit-types-cli](https://github.com/AndersDJohnson/conventional-commit-types-cli).