Update README.md

README.md

@@ -3,12 +3,6 @@ A friendly request library for using Facebook Graph API to study
 reachable audience comprehensively.  
 **Both Python2 and Python3 are supported!**
 
-***Warning:***
-For Graph API v3.2 and older, apps follow the Application level  
-rate limiting logic and User level rate limiting until **July 30, 2019**  
-when all apps will be automatically migrated to the new Business Use  
-Case rate limiting logic. Upgrade to v3.3 now to apply this new logic.
-
 If you encounter problem, please describe problem with screenshot  
 in the "Issues" section of the repository. I will try to answer and  
 solve it with you as possible as I can.  
@@ -28,7 +22,7 @@ transform.py               # a py file to transform your api_responses.csv outpu
 
 ## Section 0: What is this library for?
 This Facebook Marketing API request library is designed for making  
-GET API call easier to **Facebook Marketing API V3.2**.  
+GET API call easier to **Facebook Marketing API V3.3**.  
 
 **How to obtain Facebook Marketing API Credential?**  
 [See the pdf instruction in this repository!](https://github.com/KangboLu/request-lib/blob/master/FB%20Marketing%20API%20Setup.pdf)