docs: fix comment

Author: kenjis

system/Entity/Entity.php

@@ -482,7 +482,7 @@ public function __get(string $key)
         // Convert to CamelCase for the method
         $method = 'get' . str_replace(' ', '', ucwords(str_replace(['-', '_'], ' ', $key)));
 
-        // if a set* method exists for this key,
+        // if a get* method exists for this key,
         // use that method to insert this value.
         if (method_exists($this, $method)) {
             $result = $this->{$method}();