diff --git a/README.md b/README.md
index 01d7d47..ade2e35 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ CLIENT_ID=web CLIENT_SECRET=secret ISSUER=http://oidc.local:9998/ SCOPES="openid
 ## Features
 
 |                      | Relying party | OpenID Provider | Specification                             |
-| -------------------- | ------------- | --------------- | ----------------------------------------- |
+|----------------------| ------------- | --------------- | ----------------------------------------- |
 | Code Flow            | yes           | yes             | OpenID Connect Core 1.0, [Section 3.1][1] |
 | Implicit Flow        | no[^1]        | yes             | OpenID Connect Core 1.0, [Section 3.2][2] |
 | Hybrid Flow          | no            | not yet         | OpenID Connect Core 1.0, [Section 3.3][3] |
@@ -85,6 +85,7 @@ CLIENT_ID=web CLIENT_SECRET=secret ISSUER=http://oidc.local:9998/ SCOPES="openid
 | Token Exchange       | yes           | yes             | [RFC 8693][9]                             |
 | Device Authorization | yes           | yes             | [RFC 8628][10]                            |
 | mTLS                 | not yet       | not yet         | [RFC 8705][11]                            |
+| Back-Channel Logout  | not yet       | yes             | OpenID Connect [Back-Channel Logout][12] 1.0
 
 [1]: <https://openid.net/specs/openid-connect-core-1_0.html#CodeFlowAuth> "3.1. Authentication using the Authorization Code Flow"
 [2]: <https://openid.net/specs/openid-connect-core-1_0.html#ImplicitFlowAuth> "3.2. Authentication using the Implicit Flow"
@@ -97,6 +98,7 @@ CLIENT_ID=web CLIENT_SECRET=secret ISSUER=http://oidc.local:9998/ SCOPES="openid
 [9]: <https://www.rfc-editor.org/rfc/rfc8693.html> "OAuth 2.0 Token Exchange"
 [10]: <https://www.rfc-editor.org/rfc/rfc8628.html> "OAuth 2.0 Device Authorization Grant"
 [11]: <https://www.rfc-editor.org/rfc/rfc8705.html> "OAuth 2.0 Mutual-TLS Client Authentication and Certificate-Bound Access Tokens"
+[12]: <https://openid.net/specs/openid-connect-backchannel-1_0.html> "OpenID Connect Back-Channel Logout 1.0 incorporating errata set 1"
 
 ## Contributors