diff --git a/wp-includes/class-walker-comment.php b/wp-includes/class-walker-comment.php
index e0150b34fe..a15ccc830a 100644
--- a/wp-includes/class-walker-comment.php
+++ b/wp-includes/class-walker-comment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Comments API: Walker_Comment class
+ * Comment API: Walker_Comment class
  *
  * @package WordPress
  * @subpackage Comments
diff --git a/wp-includes/class-wp-comment-query.php b/wp-includes/class-wp-comment-query.php
index 0b2ce72b82..c86cfd2726 100644
--- a/wp-includes/class-wp-comment-query.php
+++ b/wp-includes/class-wp-comment-query.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Comments API: WP_Comment_Query class
+ * Comment API: WP_Comment_Query class
  *
  * @package WordPress
  * @subpackage Comment
diff --git a/wp-includes/class-wp-comment.php b/wp-includes/class-wp-comment.php
index 753ab39dbd..581fca2db2 100644
--- a/wp-includes/class-wp-comment.php
+++ b/wp-includes/class-wp-comment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Comments API: WP_Comment object class
+ * Comment API: WP_Comment object class
  *
  * @package WordPress
  * @subpackage Comments
diff --git a/wp-includes/comment-functions.php b/wp-includes/comment-functions.php
index 70a1bfd677..db58fede5c 100644
--- a/wp-includes/comment-functions.php
+++ b/wp-includes/comment-functions.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Comments API: Top-level comments functionality
+ * Comment API: Top-level comments functionality
  *
  * @package WordPress
  * @subpackage Comment
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b071084a22..c76884f150 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34408';
+$wp_version = '4.4-alpha-34409';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.