Update OpenTelemetry propagation changeset

Clarify it's only the trace context.

Author: tombruijn

.changesets/disable-opentelemetry-propagation.md

@@ -3,4 +3,4 @@ bump: minor
 type: change
 ---
 
-Disable the OpenTelemetry propagation across applications. If multiple applications are instrumented with AppSignal for Node.js using OpenTelemetry, the propagation across applications could lead to application data being reported the wrong application in AppSignal.
+Disable the OpenTelemetry trace context propagation across applications. If multiple applications are instrumented with AppSignal for Node.js using OpenTelemetry, the propagation across applications could lead to application data being reported the wrong application in AppSignal.