Docs: update parameters description as it was out of date

src/docs_templates/get_started.pt

@@ -56,7 +56,7 @@
                         <li>Adjustable train cargo capacity</li>
                         <li>Simplified gameplay with fewer trains</li>
                         <li>Turn off ${roster.str_grf_name} extra railtypes</li>
-                        <li>Advanced control over freight wagon colour choices and colour randomisation</li>
+                        <li>Turn off freight wagon colour fading</li>
                         <li>Turn on wagons-only mode, for use with other grfs that are short on wagons</li>
                     </ul>
                 </div>