diff --git a/lectures/week4/git.Rmd b/lectures/week4/git.Rmd
index 7104c6f..44d963b 100644
--- a/lectures/week4/git.Rmd
+++ b/lectures/week4/git.Rmd
@@ -23,10 +23,10 @@ tables: true
 
 Here we will provide some details on Git and GitHub, but we are only scratching the surface. Here are some resources to help you further:
 
-* Codeacademy: https://www.codecademy.com/learn/learn-git
+* Codecademy: https://www.codecademy.com/learn/learn-git
 * GitHub Guides: https://guides.github.com/activities/hello-world/
 * Try Git tutorial: https://try.github.io/levels/1/challenges/1
-* Happy Git and GitHub for the useR: http://happygitwithr.com/
+* Happy Git and GitHub for the user: http://happygitwithr.com/
 
 ## Git and GitHub Introduction