spelling-check

projects/combining-streams/src/lib/exercises/forkJoin/docs/forkJoin.theory.md

@@ -6,13 +6,13 @@ from different `Observables` and transform them into a single emission.
 The resulting value is an array with the last emitted value of all included Observables.
 
 In this very exercise, we will utilize the `forkJoin` operator. 
-On first sight it is a perfect match for combining HTTP Requests since it waits until all
+On first sight, it is a perfect match for combining HTTP Requests since it waits until all
 combined operators `complete` before emitting a result.
 
 ## Behavior
 
 The below example showcases a very simple case using the `forkJoin` operator. 
-We make use of the `of` creation function (passing a singe value), as its emission pattern is very similar to an HTTP request.
+We make use of the `of` creation function (passing a single value), as its emission pattern is very similar to an HTTP request.
 It emits one single value and completes.
 
 ```Typescript
@@ -41,8 +41,7 @@ _forkJoin error_
 
 ## 💡 Gotcha(s)!
 
-As stated above, the `forkJoin` creation function waits until every source raises a `complete` event. After that it will return
- the very *last* value of each source. It suits perfectly fine when dealing with HTTP Requests since they `complete` on their own.
+As stated above, the `forkJoin` creation function waits until every source raises a `complete` event. After that, it will return the very *last* value of each source. It suits perfectly fine when dealing with HTTP Requests since they `complete` on their own.
  However, there are many situations where this behavior is unwanted. 
  
  This example shows how `forkJoin` only emits the last value after all sources `completed`.
@@ -50,7 +49,7 @@ As stated above, the `forkJoin` creation function waits until every source raise
 ![forkJoin all complete last](./assets/images/Reactive-architecture-and-ux-patterns_angular_combination-operators-forkJoin-emit-all-last_michael-hladky.png)
 _forkJoin all complete last_
 
- Here you can see how `forkJoin` will never emit any value, because `a$` does not `complete`.
+ Here you can see how `forkJoin` will never emit any value because `a$` does not `complete`.
 
 ![forkJoin no emission if not all complete](./assets/images/Reactive-architecture-and-ux-patterns_angular_combination-operators-forkJoin-emit-after-all-complete_michael-hladky.png)
 _forkJoin no emission if not all complete_