Merge pull request boltdb#591 from boltdb/readme

README

Author: benbjohnson

README.md

@@ -15,11 +15,11 @@ and setting values. That's it.
 
 ## Project Status
 
-Bolt is stable and the API is fixed. Full unit test coverage and randomized
-black box testing are used to ensure database consistency and thread safety.
-Bolt is currently in high-load production environments serving databases as
-large as 1TB. Many companies such as Shopify and Heroku use Bolt-backed
-services every day.
+Bolt is stable, the API is fixed, and the file format is fixed. Full unit
+test coverage and randomized black box testing are used to ensure database
+consistency and thread safety. Bolt is currently in high-load production
+environments serving databases as large as 1TB. Many companies such as
+Shopify and Heroku use Bolt-backed services every day.
 
 ## Table of Contents