Auto merge of #25429 - nham:patch-1, r=steveklabnik

Tries to make the introductory portion of the README flow better.

Author: bors

README.md

@@ -1,9 +1,11 @@
 # The Rust Programming Language
 
-This is a compiler for Rust, including standard libraries, tools and
-documentation. Rust is a systems programming language that is fast,
-memory safe and multithreaded, but does not employ a garbage collector
-or otherwise impose significant runtime overhead.
+Rust is a systems programming language that is fast, memory safe and
+multithreaded, but does not employ a garbage collector or otherwise
+impose significant runtime overhead.
+
+This repo contains the code for `rustc`, the Rust compiler, as well
+as standard libraries, tools and documentation for Rust.
 
 ## Quick Start