Fix minor typo in Imperative API notes

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Closes https://github.com/facebook/react-native/pull/6706

Differential Revision: D3109403

fb-gh-sync-id: 4c92b4dc7950377f9efad6129a49c594bcd9a68a
fbshipit-source-id: 4c92b4dc7950377f9efad6129a49c594bcd9a68a

Libraries/Components/StatusBar/StatusBar.js

@@ -103,7 +103,7 @@ function createStackEntry(props: any): any {
  *
  * For cases where using a component is not ideal, there is also an imperative
  * API exposed as static functions on the component. It is however not recommended
- * to use the static API and the compoment for the same prop because any value
+ * to use the static API and the component for the same prop because any value
  * set by the static API will get overriden by the one set by the component in
  * the next render.
  */