diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2201dcf77..de4283ca1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -207,7 +207,7 @@ Each problem/submodule has three source sets:
 - `.meta/src/reference/java/` — a reference solution that passes all the tests
 - `src/main/java/` — starter source file(s).
 
-### Update/sync Gradle versions 
+### Update/sync Gradle versions
 
 Please read [How to Update Gradle](../reference/how-to-update-gradle.md)