chore: fix some typos in comment (#11844)

Signed-off-by: quantpoet <quantway@outlook.com>

packages/page-staking2/src/index.tsx

@@ -23,7 +23,7 @@ function StakingApp ({ basePath }: Props): React.ReactElement<Props> {
 
   // on unmount anything else, ensure that for the next round we
   // are starting with a fresh cache (there could be large delays)
-  // between opening up staking (excuted inline, not via effect)
+  // between opening up staking (executed inline, not via effect)
   useEffect((): () => void => {
     return (): void => {
       clearCache();

packages/react-api/src/types.ts

@@ -52,7 +52,7 @@ export interface ApiProps extends ApiState {
    */
   apiIdentity: ApiPromise;
   /**
-   * Used for checking if tx.idenitity.* should be used. Can be used for other scenarios as well.
+   * Used for checking if tx.identity.* should be used. Can be used for other scenarios as well.
    */
   enableIdentity: boolean;
   apiCoretime: ApiPromise;