Fix doc

Author: UberLambda

examples/3d/wireframe.rs

@@ -27,7 +27,7 @@ fn setup(
     // To draw the wireframe on all entities, set this to 'true'
     wireframe_config.debug_wireframes = false;
     // You can also change the default color of the wireframes, which controls:
-    // - all wireframes if `WireframeConfig::global` is set to 'true'
+    // - all wireframes if `WireframeConfig::debug_wireframes` is set to 'true'
     // - the wireframe of all entities whose `Wireframe::color` is None otherwise
     wireframe_config.default_color = Color::AQUAMARINE;