diff --git a/src/index.tsx b/src/index.tsx
index b2bbf32..aeed442 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -47,7 +47,7 @@ root.render(
 )
 
 // If you want your app to work offline and load faster, you can change
-// unregister() to register() below. Note this comes with some pitfalls.
+// unregister() to register() below. Note that this comes with some pitfalls.
 // Learn more about service workers: https://cra.link/PWA
 serviceWorker.unregister()
 
diff --git a/src/serviceWorker.ts b/src/serviceWorker.ts
index 153fa6f..b0d47a5 100644
--- a/src/serviceWorker.ts
+++ b/src/serviceWorker.ts
@@ -109,7 +109,7 @@ function checkValidServiceWorker(swUrl: string, config?: Config) {
     headers: { 'Service-Worker': 'script' },
   })
     .then((response) => {
-      // Ensure service worker exists, and that we really are getting a JS file.
+      // Ensure the service worker exists and that we are really getting a JS file.
       const contentType = response.headers.get('content-type')
       if (
         response.status === 404 ||