diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index 2f1c59ee5d..0e50d5a454 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -63,8 +63,7 @@ function comment_author( $comment_ID = 0 ) {
 	 * @param string $author     The comment author's username.
 	 * @param int    $comment_ID The comment ID.
 	 */
-	$author = apply_filters( 'comment_author', $author, $comment_ID );
-	echo $author;
+	echo apply_filters( 'comment_author', $author, $comment_ID );
 }
 
 /**
@@ -157,6 +156,7 @@ function comment_author_email_link( $linktext = '', $before = '', $after = '' )
  *                         Default empty.
  * @param string $before   Optional. Text or HTML to display before the email link. Default empty.
  * @param string $after    Optional. Text or HTML to display after the email link. Default empty.
+ * @return string
  */
 function get_comment_author_email_link( $linktext = '', $before = '', $after = '' ) {
 	global $comment;
@@ -225,8 +225,6 @@ function get_comment_author_link( $comment_ID = 0 ) {
  *
  * @since 0.71
  *
- * @see get_comment_author_link() Echoes result
- *
  * @param int $comment_ID ID of the comment for which to print the author's
  *                        link. Default current comment.
  */
@@ -390,6 +388,7 @@ function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
  * @param int|WP_Post  $post_id    Post ID or WP_Post object. Default current post.
  * @param bool         $echo       Optional. Whether to cho or return the output.
  *                                 Default true.
+ * @return string|null
  */
 function comment_class( $class = '', $comment_id = null, $post_id = null, $echo = true ) {
 	// Separates classes with a single space, collates classes for comment DIV
@@ -405,6 +404,10 @@ function comment_class( $class = '', $comment_id = null, $post_id = null, $echo
  *
  * @since 2.7.0
  *
+ * @global int $comment_alt
+ * @global int $comment_depth
+ * @global int $comment_thread_alt
+ *
  * @param string|array $class      Optional. One or more classes to add to the class list. Default empty.
  * @param int          $comment_id Comment ID. Default current comment.
  * @param int|WP_Post  $post_id    Post ID or WP_Post object. Default current post.
@@ -595,6 +598,8 @@ function comment_excerpt( $comment_ID = 0 ) {
  *
  * @since 1.5.0
  *
+ * @global object $comment
+ *
  * @return int The comment ID.
  */
 function get_comment_ID() {
@@ -628,6 +633,9 @@ function comment_ID() {
  *
  * @see get_page_of_comment()
  *
+ * @global WP_Rewrite $wp_rewrite
+ * @global bool       $in_comment_loop
+ *
  * @param mixed $comment Comment to retrieve. Default current comment.
  * @param array $args    Optional. An array of arguments to override the defaults.
  * @return string The permalink to the given comment.
@@ -857,6 +865,8 @@ function comment_text( $comment_ID = 0, $args = array() ) {
  *
  * @since 1.5.0
  *
+ * @global object $comment
+ *
  * @param string $d         Optional. The format of the time. Default user's settings.
  * @param bool   $gmt       Optional. Whether to use the GMT date. Default false.
  * @param bool   $translate Optional. Whether to translate the time (for use in feeds).
@@ -1115,11 +1125,20 @@ function wp_comment_form_unfiltered_html_nonce() {
  * default theme. If either does not exist, then the WordPress process will be
  * halted. It is advised for that reason, that the default theme is not deleted.
  *
- * @todo Document globals
  * @uses $withcomments Will not try to get the comments if the post has none.
  *
  * @since 1.5.0
  *
+ * @global WP_Query $wp_query
+ * @global WP_Post  $post
+ * @global wpdb     $wpdb
+ * @global int      $id
+ * @global object   $comment
+ * @global string   $user_login
+ * @global int      $user_ID
+ * @global string   $user_identity
+ * @global bool     $overridden_cpage
+ *
  * @param string $file              Optional. The file to load. Default '/comments.php'.
  * @param bool   $separate_comments Optional. Whether to separate the comments by comment type.
  *                                  Default false.
@@ -1370,7 +1389,6 @@ function comments_popup_link( $zero = false, $one = false, $more = false, $css_c
  * @return null|false|string Link to show comment form, if successful. False, if comments are closed.
  */
 function get_comment_reply_link( $args = array(), $comment = null, $post = null ) {
-
 	$defaults = array(
 		'add_below'     => 'comment',
 		'respond_id'    => 'respond',
@@ -1550,6 +1568,7 @@ function post_reply_link($args = array(), $post = null) {
  * @since 2.7.0
  *
  * @param string $text Optional. Text to display for cancel reply link. Default empty.
+ * @return string
  */
 function get_cancel_comment_reply_link( $text = '' ) {
 	if ( empty($text) )
@@ -1628,6 +1647,8 @@ function comment_id_fields( $id = 0 ) {
  *
  * @since 2.7.0
  *
+ * @global object $comment
+ *
  * @param string $noreplytext  Optional. Text to display when not replying to a comment.
  *                             Default false.
  * @param string $replytext    Optional. Text to display when replying to a comment.
@@ -1687,6 +1708,8 @@ class Walker_Comment extends Walker {
 	 *
 	 * @since 2.7.0
 	 *
+	 * @global int $comment_depth
+	 *
 	 * @param string $output Passed by reference. Used to append additional content.
 	 * @param int $depth Depth of comment.
 	 * @param array $args Uses 'style' argument for type of HTML list.
@@ -1714,6 +1737,8 @@ class Walker_Comment extends Walker {
 	 *
 	 * @since 2.7.0
 	 *
+	 * @global int $comment_depth
+	 *
 	 * @param string $output Passed by reference. Used to append additional content.
 	 * @param int    $depth  Depth of comment.
 	 * @param array  $args   Will only append content if style argument value is 'ol' or 'ul'.
@@ -1795,6 +1820,9 @@ class Walker_Comment extends Walker {
 	 * @see Walker::start_el()
 	 * @see wp_list_comments()
 	 *
+	 * @global int    $comment_depth
+	 * @global object $comment
+	 *
 	 * @param string $output  Passed by reference. Used to append additional content.
 	 * @param object $comment Comment data object.
 	 * @param int    $depth   Depth of comment in reference to parents.
@@ -1998,6 +2026,13 @@ class Walker_Comment extends Walker {
  *
  * @see WP_Query->comments
  *
+ * @global WP_Query $wp_query
+ * @global int      $comment_alt
+ * @global int      $comment_depth
+ * @global int      $comment_thread_alt
+ * @global bool     $overridden_cpage
+ * @global bool     $in_comment_loop
+ *
  * @param string|array $args {
  *     Optional. Formatting options.
  *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3d6a2abb97..cd417230cb 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32566';
+$wp_version = '4.3-alpha-32567';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.