minor changes

Author: maeddin

example/lib/main.dart

@@ -315,7 +315,8 @@ class _MyHomePageState extends State<MyHomePage> {
                                 Colors.red[800], green, global.position)),
                     onChanged: (b) => setState(() => positive = b),
                     iconBuilder: (value) => value
-                        ? Icon(Icons.power_outlined, color: green, size: 28.0)
+                        ? Icon(Icons.lightbulb_outline_rounded,
+                            color: green, size: 28.0)
                         : Icon(Icons.power_settings_new_rounded,
                             color: Colors.red[800], size: 30.0),
                     textBuilder: (value) => value

lib/src/widgets/animated_toggle_switch.dart

@@ -57,7 +57,7 @@ abstract class _AnimatedToggleSwitchParent<T> extends StatelessWidget {
           (styleBuilder ?? customStyleBuilder) == null ||
               (styleBuilder ?? styleList) == null ||
               (customStyleBuilder ?? styleList) == null,
-          'Only one parameter from styleBuilder, customStyleBuilder and styleList can be set.',
+          'Only one parameter of styleBuilder, customStyleBuilder and styleList can be set.',
         ),
         assert(styleList == null || styleList.length == values.length,
             'styleList must be null or have the same length as values'),