wording

Co-authored-by: Niklas Eicker <git@nikl.me>

crates/bevy_app/src/app.rs

@@ -636,7 +636,7 @@ impl App {
             .values()
             .for_each(|v| error!("Initialization resource \"{}\" has not been consumed", v));
         if !self.initialization_resources.is_empty() {
-            panic!("All initialization resources have not been consumed. This can happen if you inserted an initialization resource after the plugin consuming it.")
+            panic!("Not all initialization resources have been consumed. This can happen if you inserted an initialization resource after the plugin consuming it.")
         }
     }