diff --git a/wp-includes/post.php b/wp-includes/post.php
index 7820baeb9a..c0c87dd956 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -2027,11 +2027,13 @@ function get_post_meta( $post_id, $key = '', $single = false ) {
 /**
  * Updates a post meta field based on the given post ID.
  *
- * Use the $prev_value parameter to differentiate between meta fields with the
+ * Use the `$prev_value` parameter to differentiate between meta fields with the
  * same key and post ID.
  *
  * If the meta field for the post does not exist, it will be added and its ID returned.
  *
+ * Can be used in place of add_post_meta().
+ *
  * @since 1.5.0
  *
  * @param int    $post_id    Post ID.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 152802ff93..a6151d01ad 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44333';
+$wp_version = '5.1-alpha-44334';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.