Merge pull request #238 from parag-hub/master

Update docs

Author: syurkevi

README.md

@@ -51,14 +51,14 @@ pip install arrayfire
 pip install git+git://github.com/arrayfire/arrayfire-python.git@devel
 ```
 
-**Installing offline**
+**Installing offline:**
 
 ```
 cd path/to/arrayfire-python
 python setup.py install
 ```
 
-**Post Installation**
+**Post Installation:**
 
 Please follow [these instructions](https://github.com/arrayfire/arrayfire-python/wiki) to ensure the arrayfire-python can find the arrayfire libraries.