updated readme

Author: Petikoch

README.adoc

@@ -219,17 +219,15 @@ link:./src/test/groovy/ch/petikoch/examples/mvvm_rxjava/example6[]
 link:./src/main/java/ch/petikoch/examples/mvvm_rxjava/example6a[]
 
 * Same as Example 6
-* But like in real world, there are sometimes exceptions during e.g. model (backend) method invoking's
+* But like in real world, there are sometimes exceptions during e.g. model (backend) method calls
 * How to handle them?
 
 This is of course a challenging task: +
-How to combine results from asynchronous tasks? +
+How to combine results from asynchronous tasks in general? +
 How to handle exceptions in those?
 
-This is a typical problem, which solves RxJava easily: It offers all the necessary API's.
-See e.g. https://github.com/ReactiveX/RxJava/wiki/Error-Handling-Operators or of course the `onError` `Action1` in `rx.Observable#subscribe(..)`.
-
-In this example, there is some code to illustrate those.
+This is a typical problem which solves RxJava easily: It offers all the necessary API's. +
+See e.g. https://github.com/ReactiveX/RxJava/wiki/Error-Handling-Operators or of course the `onError` in `rx.Observable#subscribe(..)`.
 
 image::example6a.png[]