Minor README tweak

Author: bbatsov

README.md

@@ -8,7 +8,7 @@
   <img src="https://raw.github.com/clojure-emacs/cider/master/logo/cider-logo-w640.png" alt="CIDER Logo"/>
 </p>
 
-CIDER (formerly `nrepl.el`) is the **C**lojure **I**nteractive **D**evelopment
+CIDER (formerly *nrepl.el*) is the **C**lojure **I**nteractive **D**evelopment
 **E**nvironment that **R**ocks!
 
 CIDER extends Emacs with support for interactive programming in Clojure. The