diff --git a/src/wp-admin/includes/ajax-actions.php b/src/wp-admin/includes/ajax-actions.php
index c51751940a976..747bcc75e53eb 100644
--- a/src/wp-admin/includes/ajax-actions.php
+++ b/src/wp-admin/includes/ajax-actions.php
@@ -12,7 +12,7 @@
 //
 
 /**
- * Handles the Heartbeat API in the no-privilege context via AJAX .
+ * Handles the Heartbeat API in the no-privilege context via AJAX.
  *
  * Runs when the user is not logged in.
  *