diff --git a/src/OpenTelemetry.Instrumentation.Wcf/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.Wcf/CHANGELOG.md
index 6decc57d49..f60493308d 100644
--- a/src/OpenTelemetry.Instrumentation.Wcf/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.Wcf/CHANGELOG.md
@@ -9,6 +9,8 @@
 * **Breaking Change** `TelemetryClientMessageInspector` and `TelemetryDispatchMessageInspector`
   changed from public to internal
   ([#1376](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1376))
+* Added support for `IRequestSessionChannel` and `IDuplexChannel` channel shapes
+  ([#1374](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/1374))
 
 ## 1.0.0-rc.12
 
diff --git a/src/OpenTelemetry.Instrumentation.Wcf/README.md b/src/OpenTelemetry.Instrumentation.Wcf/README.md
index cade5daae7..92828eb97e 100644
--- a/src/OpenTelemetry.Instrumentation.Wcf/README.md
+++ b/src/OpenTelemetry.Instrumentation.Wcf/README.md
@@ -10,6 +10,9 @@ Other configurations may work as well but have not been tested.
 
 * SOAP and JSON payloads on HTTP/HTTPS transport
 * SOAP payloads on Net.TCP transport
+  * Encrypted and unencrypted transports
+  * Streamed and buffered transfer modes
+  * Signed and unsigned messages
 
 ## Installation