Update readme.md

readme.md

@@ -66,10 +66,13 @@ To get a local copy up and running follow these simple example steps.
 1. Linux: 
 We had an issue when we were installing pyaudio without specific dependencies. 
 
-``` sudo apt-get install portaudio19-dev ```
+```sh 
+sudo apt-get install portaudio19-dev 
+```
 
 2. Windows:
 There were problems with installing pyaudio directly over pip. Installing over pipwin helped this issue.
-``` pip install pipwin
+```sh
+  pip install pipwin
   pipwin install pyaudio
 ```
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