Apply suggestions from code review

Co-authored-by: Fredrik Adelöw <freben@gmail.com>

docs/plugins/composability.md

@@ -321,7 +321,7 @@ app, allowing it to be used as a switch for whether a particular link should be
 displayed or action should be taken.
 
 When calling `useRouteRef` with an optional external route, its return signature
-is change to `RouteFunc | undefined`, allowing for logic like this:
+is changed to `RouteFunc | undefined`, allowing for logic like this:
 
 ```tsx
 const MyComponent = () => {

packages/core-api/src/app/types.ts

@@ -96,7 +96,7 @@ type ExtractKeysWithType<Obj extends { [key in string]: any }, Type> = {
 }[keyof Obj];
 
 /**
- * Given a map of boolean values denoting whether a rout is optional, create a
+ * Given a map of boolean values denoting whether a route is optional, create a
  * map of needed RouteRefs.
  *
  * For example { foo: false, bar: true } gives { foo: RouteRef<any>, bar?: RouteRef<any> }

packages/core-api/src/routing/RouteRef.ts

@@ -83,7 +83,7 @@ export type ExternalRouteRefOptions<Optional extends boolean = false> = {
    * Whether or not this route is optional, defaults to false.
    *
    * Optional external routes are not required to be bound in the app, and
-   * if aren't, `useRouteRef` will return `undefined`.
+   * if they aren't, `useRouteRef` will return `undefined`.
    */
   optional?: Optional;
 };