editorial changes to readme

README.md

@@ -34,9 +34,9 @@ Scholdoc is currently up to date with [Pandoc][pandoc] version 1.13.2 (up to com
 
 ### Installing Scholdoc
 
-#### Via Homebrew (OSX only)
+#### Via Homebrew (OS X only)
 
-On OSX, the easiest way to obtain Scholdoc is from the official
+On OS X, the easiest way to obtain Scholdoc is from the official
 [Homebrew][Homebrew] [tap][homebrew-scholdoc]. First make sure you have
 [Homebrew][Homebrew] set-up correctly on your system, and that running `brew
 doctor` gives you no serious warnings. After that, run the following:
@@ -54,7 +54,7 @@ To upgrade to the latest release, just run
 
 Pre-built binary distributions exist for some platforms. Check the [download][scholdoc-download] page to see the list of available builds.
 
-#### Via Hackage (all operating systems)
+#### Compile via Hackage (all operating systems)
 
 Scholdoc is written in pure Haskell. It requires the [GHC] compiler and the
 [cabal-install] build system. The easiest way to get it on all platforms is by