diff --git a/zamba.conf b/zamba.conf
index 11738a4..0613bf7 100644
--- a/zamba.conf
+++ b/zamba.conf
@@ -78,8 +78,10 @@ LXC_LOCALE=de_DE.UTF-8
 ############### Zamba-Server-Section ###############
 
 # Defines the REALM for the Active Directory (AD DC, AD member)
+# IMPORTANT NOTE: ZMB_REALM is case sensitive and the value needs to be written completely in capital letters, otherwise Kerberos will fail
 ZMB_REALM="ZMB.ROCKS"
 # Defines the domain name in your Active Directory or Workgroup (AD DC, AD member, standalone)
+# IMPORTANT NOTE: ZMB_DOMAIN is case sensitive and the value needs to be written completely in capital letters
 ZMB_DOMAIN="ZMB"
 
 # Defines the desired DNS server backend, supported are `SAMBA_INTERNAL` and `BIND9_DLZ` for more advanced usage