diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d4b6b1e8dd7..bca78f8421a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,5 @@
 ## Contributing guide
-This document serves as a checklist before contributing to this repository. It includes includes links to read up on if topics are unclear to you.
+This document serves as a checklist before contributing to this repository. It includes links to read up on if topics are unclear to you.
 
 This guide mainly focuses on the proper use of Git. It has some overlap with the more general information found in the [Development Policy File](https://github.com/arduino/Arduino/wiki/Development-Policy).