Update README.md

README.md

@@ -22,17 +22,17 @@ Building requires Go 1.2 to be installed: http://golang.org/
 
 * Create a workspace directory, and cd into it.
 * Prepare your workspace directory:
-
+```
     export GOPATH=`pwd`
     git clone https://github.com/google/namebench.git src/github.com/google/namebench
     go get github.com/mattn/go-sqlite3
     go get code.google.com/p/go.net/publicsuffix
     go get github.com/miekg/dns
-
+```
 * Build it.
-
+```
     go build src/github.com/google/namebench/namebench.go
-    
+```
 You should have an executable named 'namebench' in the current directory.