Apply suggestions from code review

Co-authored-by: Brandon <robertsbt@gmail.com>

projects/ngrx.io/content/guide/migration/v15.md

@@ -72,7 +72,7 @@ const mySelector = createSelector(
 
 #### Removal of @Effect
 
-The `@Effect` decorator is removed in favor of [`createEffect`](https://ngrx.io/api/effects/createEffect).
+The `@Effect` decorator is removed in favor of [`createEffect`](api/effects/createEffect).
 This change also means that the ESLint rules @ngrx/no-effect-decorator-and-creator and @ngrx/no-effect-decorator are removed.
 
 > A migration was added (in the v13 release) to upgrade existing codebases to the `createEffect` function.
@@ -114,7 +114,7 @@ The `MinimalActivatedRouteSnapshot` interface contains the required `title` prop
 
 #### Removal of ReactiveComponentModule
 
-The `ReactiveComponentModule` is removed in favor of [`LetModule`](https://ngrx.io/api/component/LetModule) and [`PushModule`](https://ngrx.io/api/component/PushModule).
+The `ReactiveComponentModule` is removed in favor of [`LetModule`](/api/component/LetModule) and [`PushModule`](/api/component/PushModule).
 
 BEFORE: