chore(docs): fix typos (#32858)

### Issue # (if applicable)

None

### Reason for this change

Fixed typos in code comments.

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk/cloudformation-diff/lib/diff/types.ts

@@ -516,7 +516,7 @@ export enum ResourceImpact {
  * of property-level impacts.
  * @param one the current worst impact so far.
  * @param two the new impact being considered (can be undefined, as we may not always be
- *      able to determine some peroperty's impact).
+ *      able to determine some properties impact).
  */
 function worstImpact(one: ResourceImpact, two?: ResourceImpact): ResourceImpact {
   if (!two) { return one; }