diff --git a/src/data/roadmaps/system-design/content/117-monitoring/105-instrumentation.md b/src/data/roadmaps/system-design/content/117-monitoring/105-instrumentation.md
index 081d44523..70670bde1 100644
--- a/src/data/roadmaps/system-design/content/117-monitoring/105-instrumentation.md
+++ b/src/data/roadmaps/system-design/content/117-monitoring/105-instrumentation.md
@@ -5,3 +5,4 @@ Instrumentation is a critical part of the monitoring process. You can make meani
 Learn more from the following links:
 
 - [Instrumenting an application](https://learn.microsoft.com/en-us/azure/architecture/best-practices/monitoring#instrumenting-an-application)
+- [Instrumenting using Open Telemetry](https://opentelemetry.io/docs/concepts/what-is-opentelemetry)