diff --git a/README.md b/README.md
index 024b0de..c2cc910 100644
--- a/README.md
+++ b/README.md
@@ -437,10 +437,10 @@
 
 ## Credits
 * [@hackerkid](https://github.com/hackerkid) for starting the list.
-* [@geritol](https://github.com/hackerkidgeritol) for building the framework for maintaining the list.
+* [@geritol](https://github.com/geritol) for building the framework for maintaining the list.
 * All the [contributors](https://github.com/hackerkid/Mind-Expanding-Books/graphs/contributors) for keeping the list updated by adding new books.
 
 ## License
 [![CC0](http://i.creativecommons.org/p/zero/1.0/88x31.png)](http://creativecommons.org/publicdomain/zero/1.0/)
 
-To the extent possible under law, [Vishnu Ks](http://www.vishnuks.com) has waived all copyright and related or neighboring rights to this work.
+To the extent possible under law, [Vishnu Ks](https://github.com/hackerkid) has waived all copyright and related or neighboring rights to this work.