diff --git a/files/en-us/web/css/css_selectors/index.md b/files/en-us/web/css/css_selectors/index.md
index 5fee13a4820172e..9bd4c7df2a61a8a 100644
--- a/files/en-us/web/css/css_selectors/index.md
+++ b/files/en-us/web/css/css_selectors/index.md
@@ -1,6 +1,6 @@
 ---
 title: CSS selectors
-slug: Web/CSS/CSS_Selectors
+slug: Web/CSS/CSS_selectors
 page-type: css-module
 spec-urls: https://drafts.csswg.org/selectors/
 ---