diff --git a/src/wp-includes/update.php b/src/wp-includes/update.php
index 587e35f8a9..ed951fefbb 100644
--- a/src/wp-includes/update.php
+++ b/src/wp-includes/update.php
@@ -582,6 +582,10 @@ function wp_get_update_data() {
 }
 
 /**
+ * Determines whether core should be updated.
+ *
+ * @since 2.8.0
+ *
  * @global string $wp_version
  */
 function _maybe_update_core() {