diff --git a/README.md b/README.md
index 6f5e4a3..e349207 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,8 @@ Currently exposed metrics:
  - `msgs_sent`
  - `msgs_received`
  - `msgs_responses_latency`
+ 
+ Latency is in milliseconds.
 
 ### Deployment