Update CHANGELOG.md

CHANGELOG.md

@@ -5,7 +5,7 @@
 - The footer of a page always sticks to the bottom, even on short pages (#576)
 - Added `author` YAML parameter to allow specifying the author(s) of a post (#1220)
 - Fixed bug where hovering over search results showed the text "{desc}" (#1156)
-- Added social network links for GitLab, Bluesky (#1168, #1218)
+- Added social network links for GitLab, Bluesky, Whatsapp (#1168, #1218, #1299)
 - Added instructions and example on how to fix image links in project sites (#1171)
 - Pagination buttons: use nicer arrows, and don't show text on small screens (#1221)
 - Updated Yelp URL format - if you previously used the `yelp` social network config parameter, you might need to update the config value (#1259)