diff --git a/docs/_docs/step-by-step/09-collections.md b/docs/_docs/step-by-step/09-collections.md
index 1e9628f6..44ae7425 100644
--- a/docs/_docs/step-by-step/09-collections.md
+++ b/docs/_docs/step-by-step/09-collections.md
@@ -191,7 +191,7 @@ defaults:
 
 Now you can remove layout from the front matter of all pages and posts. Note
 that any time you update `_config.yml` you'll need to restart Jekyll for the
-changes to take affect.
+changes to take effect.
 
 ## List author's posts