improve instructions

exercises/04.router/01.problem.router/ui/index.js

@@ -35,7 +35,7 @@ function Root() {
 	function navigate() {
 		// 🐨 set the location to the nextLocation
 		// 🐨 create a nextContentFetchPromise which is set to fetchContent(nextLocation)
-		// 🐨 add a .then handler to the fetch promise
+		// 🐨 add a .then handler to the fetch promise which accepts the response
 		//   - if replace is true, call window.history.replaceState({}, '', nextLocation)
 		//   - otherwise, call window.history.pushState({}, '', nextLocation)
 		//   - return the response

exercises/05.actions/03.problem.server/server/app.js

@@ -78,7 +78,7 @@ app.get('/rsc/:shipId?', async context => await renderApp(context))
 // 4. get the formData object from the quest (💰 await context.req.formData())
 // 5. decode the reply from the formData object (await decodeReply(formData, moduleBasePath))
 // 6. call the action with the ...args
-// 7. call renderApp with the res and the returnValue of the action
+// 7. call renderApp with the context and the returnValue of the action
 
 app.get('/:shipId?', async context => {
 	const html = await readFile('./public/index.html', 'utf8')