1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 24c635f..5a58247 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ port = 1883             # MQTT server port
 # [credentials]         # Uncomment to specify MQTT connection credentials
 # username = "username"
 # password = "password"
-id = "mqttr"            # MQTT client identifier
+id = "mqttr"            # MQTT client identifier (combined as "${id}_$PID")
 ```
 
 The routes follow the following format: