Fix a small indentation error (elixir-lang#825)

Ljzn · whatyouhide · commit 0c08899c0b79 · 2016-08-11T15:08:32.000+02:00
diff --git a/getting-started/mix-otp/docs-tests-and-with.markdown b/getting-started/mix-otp/docs-tests-and-with.markdown
@@ -78,7 +78,7 @@ Run the test suite and the doctest should fail:
      lhs:  :not_implemented
      stacktrace:
        lib/kv_server/command.ex:11: KVServer.Command (module)
- ```
+```
 
 Excellent!
 
