diff --git a/development/development/upgrade/400.rst b/development/development/upgrade/400.rst
index 740c5a9a..c900193b 100644
--- a/development/development/upgrade/400.rst
+++ b/development/development/upgrade/400.rst
@@ -115,6 +115,18 @@ Also have a look at the `phpBB API documentation <https://area51.phpbb.com/docs/
      - ``4.0.0-a1``
      - Introduced form_helper for generating and checking form tokens.
 
+   * - ``build_cfg_template``
+     - ``includes/functions_acp.php``
+     - Removed
+     - ``4.0.0-a1``
+     - Use phpbb_build_cfg_template() instead.
+
+   * - ``h_radio``
+     - ``includes/functions_acp.php``
+     - Removed
+     - ``4.0.0-a1``
+     - Use phpbb_build_radio() instead.
+
 **Explanation of columns:**
 
 * **Class or function:**  The name of the class or function that was added, changed, deprecated, or removed in this version.