diff --git a/salt/kafka/soc_kafka.yaml b/salt/kafka/soc_kafka.yaml
index 500ad59c3..47ff05719 100644
--- a/salt/kafka/soc_kafka.yaml
+++ b/salt/kafka/soc_kafka.yaml
@@ -92,8 +92,10 @@ kafka:
         forcedType: int
         helpLink: kafka.html
       process_x_roles:
-        description: The roles the process performs. Use a comma-seperated list is multiple.
+        description: The roles performed by Kafka node. Default is to act as 'broker' only.
         title: process.roles
+        regex: ^(broker|controller|broker,controller|controller,broker)$
+        regexFailureMessage: Valid values include 'broker' 'controller' or 'broker,controller'
         helpLink: kafka.html
       socket_x_receive_x_buffer_x_bytes:
         description: Size, in bytes of the SO_RCVBUF buffer. A value of -1 will use the OS default.