diff --git a/docs/my-website/docs/observability/langfuse_integration.md b/docs/my-website/docs/observability/langfuse_integration.md
index 3de426ec3..ec8f3a029 100644
--- a/docs/my-website/docs/observability/langfuse_integration.md
+++ b/docs/my-website/docs/observability/langfuse_integration.md
@@ -122,6 +122,7 @@ response = completion(
       "generation_id": "gen-id22",                  # set langfuse Generation ID 
       "trace_id": "trace-id22",                     # set langfuse Trace ID
       "trace_user_id": "user-id2",                  # set langfuse Trace User ID
+      "session_id": "session-1",                    # set langfuse Session ID
   },
 )