diff --git a/src/wp-admin/includes/comment.php b/src/wp-admin/includes/comment.php
index 188cc6ae41..a74eeaac22 100644
--- a/src/wp-admin/includes/comment.php
+++ b/src/wp-admin/includes/comment.php
@@ -89,7 +89,14 @@ function get_comment_to_edit( $id ) {
 	$comment->comment_post_ID = (int) $comment->comment_post_ID;
 
 	$comment->comment_content = format_to_edit( $comment->comment_content );
-	$comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content);
+	/**
+	 * Filter the comment content before editing.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $comment->comment_content Comment content.
+	 */
+	$comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content );
 
 	$comment->comment_author = format_to_edit( $comment->comment_author );
 	$comment->comment_author_email = format_to_edit( $comment->comment_author_email );