Typo

Author: Froussios

Part 2 - Sequence Basics/1. Creating a sequence.md

@@ -10,7 +10,7 @@ In previous examples we used `Subject`s and manually pushed values into them to
 
 ### Observable.just
 
-The `just` method creates an `Observable` that will emit a predifined sequence of values, supplied on creation, and the terminate.
+The `just` method creates an `Observable` that will emit a predifined sequence of values, supplied on creation, and then terminate.
 
 ```java
 Observable<String> values = Observable.just("one", "two", "three");