diff --git a/lib/upgrade.txt b/lib/upgrade.txt
index 2e017654204..61f80d1d7a9 100644
--- a/lib/upgrade.txt
+++ b/lib/upgrade.txt
@@ -19,6 +19,8 @@ information provided here is intended especially for developers.
 * Use $CFG->debugdeveloper instead of debugging('', DEBUG_DEVELOPER).
 * Use set_debugging(DEBUG_xxx) when changing debugging level for current request.
 * Function moveto_module() does not modify $mod argument and instead now returns the new module visibility value.
+* Use behat_selectors::get_allowed_text_selectors() and behat_selectors::get_allowed_selectors() instead of
+  behat_command::$allowedtextselectors and behat_command::$allowedselectors
 
 DEPRECATIONS:
 Various previously deprecated functions have now been altered to throw DEBUG_DEVELOPER debugging notices