Update README.md

Author: koush

AndroidAsync-Kotlin/README.md

@@ -5,7 +5,10 @@ Adds coroutines support to AndroidAsync and Ion.
 Since AndroidAsync and Ion operations all returned futures, you can simply call await() on them within a Kotlin suspend function.
 
 ```kotlin
-val data = Ion.with(context).load("https://google.com/robots.txt").asString().await()
+val robotsTxt = Ion.with(context)
+.load("https://google.com/robots.txt")
+.asString()
+.await()
 ```
 
 That's it!