3.1 Samples match runnable examples

Author: Froussios

Part 3 - Taming the sequence/1. Side effects.md

@@ -236,7 +236,7 @@ Rx is designed like functional programming, but it exists within an object orien
 
 ```java
 public class BrakeableService {
-	public BehaviorSubject<String> items = BehaviorSubject.create("Later");
+	public BehaviorSubject<String> items = BehaviorSubject.create("Greet");
 	public void play() {
 		items.onNext("Hello");
 		items.onNext("and");
@@ -249,7 +249,7 @@ The code above does not prevent a naughty consumer from changing your `items` wi
 
 ```java
 public class BrakeableService {
-	private final BehaviorSubject<String> items = BehaviorSubject.create("Later");
+	private final BehaviorSubject<String> items = BehaviorSubject.create("Greet");
 
 	public BehaviorSubject<String> getValues() {
 		return items;