diff --git a/README.md b/README.md
index 834ea07935..859e4fded0 100644
--- a/README.md
+++ b/README.md
@@ -18,10 +18,11 @@ of authenticating and optionally authorizing access requests.
 ORY Oathkeeper is a reverse proxy which evaluates incoming HTTP requests based on a set of rules that are defined
 by administartive users. ORY Oathkeeper is thus capable of:
 
-* Identifying the user and providing the user session to API backends.
-* Restricting access to certain resources based on a set of rules (Authorization).
+* Identifying the user and providing the user session to API backends (authentication).
+* Restricting access to certain resources based on a set of rules (authorization).
+* Transforms access credentials (e.g. OAuth2 Access Tokens, SAML Assertions, ...) to a format (e.g. JSON Web Token, Plaintext, Basic Authorization, ...) consumable by your API services.
 
-This service is under active development and may introduce breaking changes in future releases.
+This service stable, but under active development and may introduce breaking changes in future releases.
 
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