Update README.md

README.md

@@ -21,7 +21,7 @@ For further understanding checkout the [docs](docs/mediator-doc.md)<br>
 |[DID Rotation](https://didcomm.org/book/v2/didrotation) | ACCEPTED | ✅ |
 |[Cross-Domain Messaging/ Routing Protocol](https://identity.foundation/didcomm-messaging/spec/#routing-protocol-20) | ADOPTED | ✅|
 |[Trust Ping Ptotocol](https://identity.foundation/didcomm-messaging/spec/#trust-ping-protocol-20) | ADOPTED|✅|
-|[Discover Features Protocol](https://didcomm.org/discover-features/2.0/) | ADOPTED | ⚪ |
+|[Discover Features Protocol](https://didcomm.org/discover-features/2.0/) | ADOPTED | ✅ |
 |[Out of band Messaging](https://identity.foundation/didcomm-messaging/spec/#out-of-band-messages) | ADOPTED | ⚪
 |[Basic Message Protocol](https://didcomm.org/basicmessage/2.0/#:~:text=The%20BasicMessage%20protocol%20describes%20a,message%20type%20used%20to%20communicate.) | ADOPTED|⚪|
 |[Acks](https://github.com/hyperledger/aries-rfcs/tree/main/features/0015-acks)| ADOPTED |❌ |