diff --git a/03-app-instrumentation.md b/03-app-instrumentation.md
index 706e6f4..4f673a0 100644
--- a/03-app-instrumentation.md
+++ b/03-app-instrumentation.md
@@ -128,6 +128,10 @@ Now replace the `ConsoleSpanExporter` with an `OTLPTraceExporter` as outlined in
 
 Finally, look into the `index.js` file once again, there are a few additional `TODOs` for you!
 
+### Exemplars
+
+The exemplars are currently not support in OpenTelemetry JS https://github.com/open-telemetry/opentelemetry-js/issues/2594
+
 ##  Auto-instrumentation
 
 * Which languages are supported and emit metrics