diff --git a/guides/your-first-pr-checklist.md b/guides/your-first-pr-checklist.md
index 32bf77c..9cd150a 100644
--- a/guides/your-first-pr-checklist.md
+++ b/guides/your-first-pr-checklist.md
@@ -2,7 +2,7 @@
 
 Before you click "Create pull request," walk through this checklist. It catches the things that turn a clean merge into three rounds of review.
 
-## Pre-flight: before comitting
+## Pre-flight: before committing
 
 ### The change itself