diff --git a/docs/feature_macros.md b/docs/feature_macros.md
index fe45016e3..d81c3c655 100644
--- a/docs/feature_macros.md
+++ b/docs/feature_macros.md
@@ -230,7 +230,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
 void matrix_scan_user(void) {     # The very important timer. 
   if (is_alt_tab_active) {
     if (timer_elapsed(alt_tab_timer) > 1000) {
-      unregister_code16(LALT(KC_TAB));
+      unregister_code(KC_LALT);
       is_alt_tab_active = false;
     }
   }