Docs: Use third-person singular verbs in various function descriptions, as per docblocks standards.

Follow-up to [55911], [55916], [55917].

Props costdev.
See #57840.



Built from https://develop.svn.wordpress.org/trunk@55918


git-svn-id: http://core.svn.wordpress.org/trunk@55430 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-comments-post.php

@@ -43,7 +43,7 @@ $user            = wp_get_current_user();
 $cookies_consent = ( isset( $_POST['wp-comment-cookies-consent'] ) );
 
 /**
- * Perform other actions when comment cookies are set.
+ * Fires after comment cookies are set.
  *
  * @since 3.4.0
  * @since 4.9.6 The `$cookies_consent` parameter was added.