diff --git a/examples/open-telemetry/jaeger/README.md b/examples/open-telemetry/jaeger/README.md
index a19d3ee9d..57a9bb7d3 100644
--- a/examples/open-telemetry/jaeger/README.md
+++ b/examples/open-telemetry/jaeger/README.md
@@ -38,6 +38,8 @@ OPENAI_API_KEY=your_key_here
 pip install -r requirements.txt
 ```
 
+> Install only the grpc exporter. If you have a conflict, uninstall the http exporter.
+
 ### 4. Run the Demo
 
 ```bash
diff --git a/examples/open-telemetry/langfuse/README.md b/examples/open-telemetry/langfuse/README.md
index 002a3f64a..c17de8394 100644
--- a/examples/open-telemetry/langfuse/README.md
+++ b/examples/open-telemetry/langfuse/README.md
@@ -43,6 +43,8 @@ OPENAI_API_KEY=your_key_here
 pip install -r requirements.txt
 ```
 
+> Install only the http exporter. If you have a conflict, uninstall the grpc exporter.
+
 ### 4. Run the Demo
 
 ```bash
diff --git a/examples/open-telemetry/langfuse/env.example b/examples/open-telemetry/langfuse/env.example
index c86485674..622854799 100644
--- a/examples/open-telemetry/langfuse/env.example
+++ b/examples/open-telemetry/langfuse/env.example
@@ -4,8 +4,15 @@ OPENAI_API_KEY=your_openai_key
 
 # Set to any value to enable tracing
 ENABLE_TRACING=true
-# OTLP endpoint (change to us.cloud.langfuse.com if you use the US data region)
-OTEL_EXPORTER_OTLP_ENDPOINT=http://cloud.langfuse.com/api/public/otel
-OTEL_EXPORTER_OTLP_HEADERS=Authorization=Basic%20<base64_encoded_api_keys>
+
+# 🇪🇺 EU data region
+OTEL_EXPORTER_OTLP_ENDPOINT="https://cloud.langfuse.com/api/public/otel"
+# 🇺🇸 US data region
+# OTEL_EXPORTER_OTLP_ENDPOINT="https://us.cloud.langfuse.com/api/public/otel"
+# 🏠 Local deployment (>= v3.22.0)
+# OTEL_EXPORTER_OTLP_ENDPOINT="http://localhost:3000/api/public/otel"
+
+OTEL_EXPORTER_OTLP_HEADERS="Authorization=Basic <base64_encoded_api_keys>"
+
 # Set to any value to enable console output for debugging
 # OTEL_CONSOLE_EXPORT=true
\ No newline at end of file