Clarify how to enable syntax highlighting (#28)

Rephrase and correct missing word, and provide a full example of
applying Go syntax highlighting to a Markdown code block.

1 files changed, 13 insertions, 1 deletions

diff --git a/README.md b/README.md
index 8ad126b..39bce2d 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,19 @@ Notice the configuration necessary for disqus comments (just setting the disqusS
 
 ### Syntax Highlighting
 
-Syntax highlighting is enabled by default and it uses the nice [rainbow js](http://craig.is/making/rainbows) library. All you need to do is to let rainbow.js the language of the highlighted code, using something like ````go` when writing the code in markdown.
+Syntax highlighting is enabled by default and uses the [Rainbow](http://craig.is/making/rainbows) highlighting library. All you need to do is add a language identifier to a code block.
+
+For example, to apply Go syntax highlighting in Markdown:
+
+    ```go
+        package main
+
+        import "fmt"
+
+        func main() {
+          fmt.Println("Hello, 世界")
+        }
+    ```
 
 ### Responsive Images