chore: typo in comment

Author: atinux

src/runtime/app/plugins/session.server.ts

@@ -4,7 +4,7 @@ export default defineNuxtPlugin({
   name: 'session-fetch-plugin',
   enforce: 'pre',
   async setup(nuxtApp) {
-    // Flag is request is cached
+    // Flag if request is cached
     nuxtApp.payload.isCached = Boolean(useRequestEvent()?.context.cache)
     if (nuxtApp.payload.serverRendered && !nuxtApp.payload.prerenderedAt && !nuxtApp.payload.isCached) {
       await useUserSession().fetch()