diff --git a/README.md b/README.md
index 1ab671c..396fdf0 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,8 @@ Keys: S - stationary, GR - grooming, W - walking, F - flying, PR - probing, N -
 ## Additional information
 ### Courses and certificates
 
+* [Understanding TypeScript - 2023](https://www.udemy.com/certificate/UC-75e3a7f5-3605-45e5-8b42-5515b9fc0859/)
+
 * [SQL for Datascience](https://www.coursera.org/account/accomplishments/verify/KF9V6CH5GP6Q)  
 
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