Updates railties CHANGELOG

Author: fxn

railties/CHANGELOG.md

@@ -1,10 +1,14 @@
+*   The setter `config.autoloader=` has been deleted. `zeitwerk` is the only available autoloading mode.
+
+    *Xavier Noria*
+
 *   Show Rake task description if command is run with -h.
 
     Adding `-h` (or `--help`) to a Rails command that's a Rake task, now returns
     the task description instead of the general Rake help.
 
     *Petrik de Heus*
-    
+
 *   Add missing `plugin new` command to help.
 
     *Petrik de Heus