diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5039ce..e482240 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,13 +7,23 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## 0.7.0 (2023-02-14)
+
+### Changed
+
+- Refresh configuration - simplification,  minimal_refresh_interval removed (replaced by refresh_interval in KeyNotFound refresh strategy) 
+
+### Added 
+
+- integration tests, unit tests
+
 ## 0.6.0 (2023-02-05)
 
 ### Added
 
 - JwtAuthorizer::from_oidc(issuer_uri) - building from oidc discovery page
 
-### Chnaged
+### Changed
 
 - JwtAuthorizer::layer() becomes async
 
diff --git a/README.md b/README.md
index 80ebdba..99b5296 100644
--- a/README.md
+++ b/README.md
@@ -15,23 +15,9 @@ JWT authorizer Layer for Axum.
 
 See documentation of the [`jwt-authorizer`](./jwt-authorizer/docs/README.md) module or the [`demo-server`](./demo-server/) example.
 
-## Development 
+## Development
 
-### Key generation 
-
-EC (ECDSA) - (algorigthm ES256 - ECDSA using SHA-256)
-
-curve name: prime256v1 (secp256r1, secp384r1)
-
-> openssl ecparam -genkey -noout -name prime256v1 | openssl pkcs8 -topk8 -nocrypt -out ec-private.pem
-
-> openssl ec -in ec-private.pem -pubout -out ec-public-key.pem
-
-EdDSA (Edwards-curve Digital Signature Algorithm)
-
-(Ed25519 - implémentation spécifique de EdDSA, utilisant la Courbe d'Edwards tordue)
-
-> openssl genpkey -algorithm ed25519
+...
 
 ## Contributing
 
@@ -39,4 +25,4 @@ Contributions are wellcome!
 
 ## License
 
-MIT
\ No newline at end of file
+MIT
diff --git a/config/README.md b/config/README.md
new file mode 100644
index 0000000..bcd2490
--- /dev/null
+++ b/config/README.md
@@ -0,0 +1,15 @@
+# Key generation
+
+## EC (ECDSA) - (algorigthm ES256 - ECDSA using SHA-256)
+
+curve name: prime256v1 (secp256r1, secp384r1)
+
+> openssl ecparam -genkey -noout -name prime256v1 | openssl pkcs8 -topk8 -nocrypt -out ec-private.pem
+
+> openssl ec -in ec-private.pem -pubout -out ec-public-key.pem
+
+## EdDSA - Edwards-curve Digital Signature Algorithm
+
+(Ed25519 - EdDSA signature scheme using SHA-512 (SHA-2) and Curve25519)
+
+> openssl genpkey -algorithm ed25519
diff --git a/jwt-authorizer/docs/README.md b/jwt-authorizer/docs/README.md
index 8a5b250..996d638 100644
--- a/jwt-authorizer/docs/README.md
+++ b/jwt-authorizer/docs/README.md
@@ -11,6 +11,7 @@ JWT authoriser Layer for Axum.
     - OpenId Connect Discovery
 - Claims extraction
 - Claims checker
+- tracing support (error logging)
 
 
 ## Usage Example