diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index e97229f5f6..e4815ec714 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -988,9 +988,9 @@ function comment_text( $comment_ID = 0, $args = array() ) {
 	 *
 	 * @see Walker_Comment::comment()
 	 *
-	 * @param string     $comment_text Text of the current comment.
-	 * @param WP_Comment $comment      The comment object.
-	 * @param array      $args         An array of arguments.
+	 * @param string          $comment_text Text of the current comment.
+	 * @param WP_Comment|null $comment      The comment object.
+	 * @param array           $args         An array of arguments.
 	 */
 	echo apply_filters( 'comment_text', $comment_text, $comment, $args );
 }
diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index 7398f99dd9..0fb9f01093 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -44,7 +44,7 @@ function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $
 		return false;
 
 	/** This filter is documented in wp-includes/comment-template.php */
-	$comment = apply_filters( 'comment_text', $comment );
+	$comment = apply_filters( 'comment_text', $comment, null, array() );
 
 	// Check for the number of external links if a max allowed number is set.
 	if ( $max_links = get_option( 'comment_max_links' ) ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index da90d0cd7a..15e073f7ae 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-beta1-40663';
+$wp_version = '4.8-beta1-40664';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.