diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index 7fcfab509..a78d4b120 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -427,7 +427,7 @@ function get_comment_count( $post_id = 0 ) {
 /**
  * Add meta data field to a comment.
  *
- * @since 2.9
+ * @since 2.9.0
  * @uses add_metadata
  * @link http://codex.wordpress.org/Function_Reference/add_comment_meta
  *
@@ -448,7 +448,7 @@ function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false)
  * value, will keep from removing duplicate metadata with the same key. It also
  * allows removing all metadata matching key, if needed.
  *
- * @since 2.9
+ * @since 2.9.0
  * @uses delete_metadata
  * @link http://codex.wordpress.org/Function_Reference/delete_comment_meta
  *
@@ -464,7 +464,7 @@ function delete_comment_meta($comment_id, $meta_key, $meta_value = '') {
 /**
  * Retrieve comment meta field for a comment.
  *
- * @since 2.9
+ * @since 2.9.0
  * @uses get_metadata
  * @link http://codex.wordpress.org/Function_Reference/get_comment_meta
  *
@@ -486,7 +486,7 @@ function get_comment_meta($comment_id, $key, $single = false) {
  *
  * If the meta field for the comment does not exist, it will be added.
  *
- * @since 2.9
+ * @since 2.9.0
  * @uses update_metadata
  * @link http://codex.wordpress.org/Function_Reference/update_comment_meta
  *
diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 65fef4d39..0a1d604ed 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -2770,7 +2770,7 @@ function wp_strip_all_tags($string, $remove_breaks = false) {
  * remove line breaks, tabs and extra white space,
  * strip octets.
  *
- * @since 2.9
+ * @since 2.9.0
  *
  * @param string $str
  * @return string
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index a462b8ded..4525d20ff 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -2887,7 +2887,7 @@ function wp_parse_id_list($list) {
  * Checks to make sure that the embeds library hasn't already been loaded. If
  * it hasn't, then it will load the embeds library.
  *
- * @since 2.9
+ * @since 2.9.0
  */
 function wp_maybe_load_embeds() {
 	if ( ! apply_filters('load_default_embeds', true) )
@@ -4096,4 +4096,4 @@ function send_nosniff_header() {
 	@header( 'X-Content-Type-Options: nosniff' );
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/wp-includes/post.php b/wp-includes/post.php
index c6e63e1b0..7ee9c5fcb 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -175,7 +175,7 @@ function update_attached_file( $attachment_id, $file ) {
  *
  * The path is relative to the current upload dir.
  *
- * @since 2.9
+ * @since 2.9.0
  * @uses apply_filters() Calls '_wp_relative_upload_path' on file path.
  *
  * @param string $path Full path to the file
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index 29e677b56..2d6e55f7b 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -1526,7 +1526,7 @@ function add_editor_style( $stylesheet = 'editor-style.css' ) {
  *
  * Must be called in the themes functions.php file to work.
  *
- * @since 2.9
+ * @since 2.9.0
  * @param string $feature the feature being added
  */
 function add_theme_support( $feature ) {
@@ -1541,7 +1541,7 @@ function add_theme_support( $feature ) {
 /**
  * Checks a theme's support for a given feature
  *
- * @since 2.9
+ * @since 2.9.0
  * @param string $feature the feature being checked
  * @return boolean
  */
@@ -1579,7 +1579,7 @@ function current_theme_supports( $feature ) {
 /**
  * Checks a theme's support for a given feature before loading the functions which implement it.
  *
- * @since 2.9
+ * @since 2.9.0
  * @param string $feature the feature being checked
  * @param string $include the file containing the functions that implement the feature
  */