diff --git a/extras/courses.md b/extras/courses.md
index ce0b8c6..650a765 100644
--- a/extras/courses.md
+++ b/extras/courses.md
@@ -69,7 +69,8 @@ Courses | Duration | Effort
 [Analysis of Algorithms (Sedgewick)](https://www.coursera.org/course/aofa)| 6 weeks | 6-8 hours/week
 [Programming Challenges (Skiena)](http://www3.cs.stonybrook.edu/~skiena/392/) | 14 weeks | 6-8 hours/week
 [Mathematical Logic and Algorithms Theory](https://iversity.org/en/courses/mathematical-logic-and-algorithms-theory) | 7 weeks | 3-4 hours/week
-[Algorithmic Toolbox](https://www.coursera.org/learn/algorithmic-toolbox/) | 5 weeks | 4-8 hours/week 
+[Algorithmic Toolbox](https://www.coursera.org/learn/algorithmic-toolbox/) | 5 weeks | 4-8 hours/week
+[Analysis of Algorithms](https://www.coursera.org/course/aofa) | 6 weeks | 6-8 hours/week
 
 ### Programming Paradigms