fix: typo manar -> manner (#1464)

- Fix typo: "in some manar" -> "in some manner"
- More common phrasing: "method can not return" -> "method cannot return"

Author: vbraun

www/docs/en/latest/guide/platforms/ios/plugin.md

@@ -310,7 +310,7 @@ targets: [
 
 If the plugin has any logic that should execute on the during the plugin's initialization process, the `pluginInitialize` method should be defined in the plugin's class.
 
-For example, if the plugin has defined `onload` as `true`, when the app loads, the `pluginInitialize` method will be executed. Because this is triggered during app load, there is no `callbackID` so the `pluginInitialize` method can not return any results to the WebView. If results matter, they would need to be stored in some manar and later fetched with a JavaScript API call.
+For example, if the plugin has defined `onload` as `true`, when the app loads, the `pluginInitialize` method will be executed. Because this is triggered during app load, there is no `callbackID` so the `pluginInitialize` method cannot return any results to the WebView. If results matter, they would need to be stored in some manner and later fetched with a JavaScript API call.
 
 #### Handeling Long-running & Background Activities