diff --git a/about.md b/about.md
index e53295b..ff6a8c7 100644
--- a/about.md
+++ b/about.md
@@ -31,7 +31,7 @@ Check out [Practice](/practice) to learn how you should practice.
 
 ### Contribution
 
-Feel free to add your own mental models [here](https://github.com/demiculus/mentalmodel/tree/master/_mental_models). Let [me know](mailto: demirbyilmaz@gmail.com) if you don't know how to use github.
+Feel free to add your own mental models [here](https://github.com/demiculus/mentalmodel/tree/master/_mental_models). Let [me know](mailto:demirbyilmaz@gmail.com) if you don't know how to use github.
 
 ### Having a Hard Time
 
@@ -46,4 +46,4 @@ This doesn't seem to work very well to attain new habits (change your brain) but
 
 ### To Request Personal Training
 
-[Reach out](https://demiculus.com/)
\ No newline at end of file
+[Reach out](https://demiculus.com/)