Merge pull request ozgur#8 from b3nelof0n/patch-1

Update README.md

Author: ozgur

README.md

@@ -15,6 +15,8 @@ This library provides a pure Python interface to the LinkedIn **Profile**, **Gro
 You can install **python-linkedin** library via pip:
 
     $ pip install python-linkedin
+    $ pip install requests
+
 
 ## Authentication
 
@@ -384,4 +386,4 @@ True
 
 ## Throttle Limits
 
-LinkedIn API keys are throttled by default. You should take a look at the [Throttle Limits Documentation](http://developer.linkedin.com/documents/throttle-limits) to get more information about it.
+LinkedIn API keys are throttled by default. You should take a look at the [Throttle Limits Documentation](http://developer.linkedin.com/documents/throttle-limits) to get more information about it.