Drupal-Debug-Hints.md

@@ -14,11 +14,12 @@ $config["system.logging"]["error_level"] = "verbose";
 
 Might have to ignore the readonly flag (with `:w!`).
 
-# Disable APCu extension for classloading
+# Clear APCu cahe to fix incorrect classloading
 
-When classes are not found, even though they are definitely there:
+When classes are not found, even though they are definitely there.
+Restart the system to clear the APCu cache, or disable APCu via:
 
-Run `vim web/sites/default/settings.php` and add:
+`vim web/sites/default/settings.php` and add:
 
 ```php
 $settings['class_loader_auto_detect'] = FALSE;