diff --git a/Static-filter-syntax.md b/Static-filter-syntax.md
index 2f7d54f..d03ab2c 100644
--- a/Static-filter-syntax.md
+++ b/Static-filter-syntax.md
@@ -1223,7 +1223,7 @@ Specific-generic cosmetic filters will NOT become discarded when checking the "I
 
 ### Cosmetic filters
 
-For basic cosmetic filters you can refer to existing documentation from: Adblock Plus: "[element hiding filters](https://help.adblockplus.org/hc/en-us/articles/360062733293-How-to-write-filters#content-filters)", AdGuard: "[cosmetic rules](https://adguard.com/kb/general/ad-filtering/create-own-filters/#cosmetic-rule)", W3Schools: "[CSS Selectors](https://www.w3schools.com/cssref/css_selectors.php)", uBO Reddit FAQ: "[How to manually write cosmetic filter](https://www.reddit.com/r/uBlockOrigin/wiki/index/#wiki_how_to_manually_write_cosmetic_filter)".
+For basic cosmetic filters you can refer to existing documentation from: Adblock Plus: "[element hiding filters](https://help.adblockplus.org/hc/en-us/articles/360062733293-How-to-write-filters#content-filters)", AdGuard: "[cosmetic rules](https://adguard.com/kb/general/ad-filtering/create-own-filters/#cosmetic-rule)", uBO Reddit FAQ: "[How to manually write cosmetic filter](https://www.reddit.com/r/uBlockOrigin/wiki/index/#wiki_how_to_manually_write_cosmetic_filter)".
 
 #### Procedural cosmetic filters