diff --git a/docs/config.md b/docs/config.md
index 404606d..d8fe701 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -224,11 +224,8 @@ DHCP leases file format.
 - Default: ""
 
 ### client_id_preference
-Decide how the client ID is generated
+Decide how the client ID is generated. By default client ID will use both MAC address and Hostname i.e. `hash(mac + host)`. To override this behavior, select one of the 2 allowed values to scope client ID to just MAC address OR Hostname.  
 
-If `host` -> client id will only use the hostname i.e.`hash(hostname)`.
-If `mac` -> client id will only use the MAC address `hash(mac)`.
-Else -> client ID will use both Mac and Hostname i.e. `hash(mac + host)
 - Type: string
 - Required: no
 - Valid values: `mac`, `host`