Update README.md

README.md

@@ -5,7 +5,7 @@ A crawler that helps you collect data from Twitter for research. Most of the hea
 
 To workaround Twitter's rate limits, ``tweetf0rm`` can spawn multiple crawlers each with different proxy and twitter dev account on a single computer (or on multiple computers) and collaboratively ``farm`` user tweets and twitter relationship networks (i.e., friends and followers). The communication channel for coordinating among multiple crawlers is built on top of [redis](http://redis.io/) -- a high performance in-memory key-value store. It has its own scheduler that can balance the load of each worker (or worker machines).
 
-It's quite stable for the things that I want to do. I have collected billions of tweets from **2.8 millions** twitter users in about 2 weeks with a single machine.
+It's quite stable for the things that I want to do. I have collected billions of tweets from **2.6 millions** twitter users in about 2 weeks with a single machine.
 
 Dataset
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