Typos in realtime.md (#10010)

Fixing 2 minor typos

docs/docs/realtime.md

@@ -33,7 +33,7 @@ There are times where subscriptions are well-suited for a realtime problem — a
 
 ### Defer and Stream
 
-[Stream and defer](https://the-guild.dev/graphql/yoga-server/docs/features/defer-stream) are directives that allow you to improve latency for clients by sending data the most important data as soon as it's ready.
+[Stream and defer](https://the-guild.dev/graphql/yoga-server/docs/features/defer-stream) are directives that allow you to improve latency for clients by sending the most important data as soon as it's ready.
 
 As applications grow, the GraphQL operation documents can get bigger. The server will only send the response back once all the data requested in the query is ready. However, not all requested data is of equal importance, and the client may not need all of the data at once.
 
@@ -699,7 +699,7 @@ context.pubSub.publish('newStory', id, story)
 
 Mashup some of your favorite movies to create something new and Netflix-worthy to watch.
 
-Powered by OpenAI, this movie tagline and treatment updates on each stream content delta via a Live Query bui invalidating the `MovieMashup key.
+Powered by OpenAI, this movie tagline and treatment updates on each stream content delta via a Live Query by invalidating the `MovieMashup key.
 
 ```ts
 context.liveQueryStore.invalidate(`MovieMashup:${id}`)