diff --git a/application/src/main/resources/thingsboard.yml b/application/src/main/resources/thingsboard.yml
index 183523e6ce..ca71968183 100644
--- a/application/src/main/resources/thingsboard.yml
+++ b/application/src/main/resources/thingsboard.yml
@@ -1242,9 +1242,9 @@ transport:
   snmp:
     # Enable/disable SNMP transport protocol
     enabled: "${SNMP_ENABLED:true}"
-    # Snmp bind address
+    # SNMP bind address
     bind_address: "${SNMP_BIND_ADDRESS:0.0.0.0}"
-    # Snmp bind port
+    # SNMP bind port. Zero (random) by default. When using SNMP TRAPs - make sure to specify some static value, e.g. 1620
     bind_port: "${SNMP_BIND_PORT:0}"
     response_processing:
       # parallelism level for executor (workStealingPool) that is responsible for handling responses from SNMP devices