diff --git a/README.md b/README.md
index 80f1d59..6cdf684 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,8 @@ The API should still be considered experimental, but I'm not expecting changes a
 
 ## Compatibility
 
-The driver currently only builds on Unix, tested on Mac Os X and Linux so far.
+The driver currently only builds on Unix, tested on Mac Os X and Linux so far. It's compatible with MongoDB 2.4 up to 3.2 and
+has full replica set and SSL support.
 
 ## Logging