formatting

src/1_futures_in_rust.md

@@ -1,18 +1,12 @@
 # Futures in Rust
 
-> **Relevant for:**
+> **Overview:**
 >
 > - High level introduction to concurrency in Rust
 > - Knowing what Rust provides and not when working with async code
 > - Understanding why we need a runtime-library in Rust
 > - Getting pointers to further reading on concurrency in general
 
-Before we start implementing our `Futures` , we'll go through some background
-information that will help demystify some of the concepts we encounter.
-
-Actually, after going through these concepts, implementing futures will seem
-pretty simple. I promise.
-
 ## Futures
 
 So what is a future?