diff --git a/README.md b/README.md
index 8955a99bca8700ffeb7f6c13159720ac3f0ba5e5..38f675e39f6ef9fe0faed6878c0b41577bf095dd 100644
--- a/README.md
+++ b/README.md
@@ -47,9 +47,8 @@ Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contribut
 ### Usage
 
 ```
-OMD[build]:~$ ~/local/bin/topology_data/create_topology_data.py -h
-usage: create_topology_data.py [-h] [-s, --seed-devices S, __SEED_DEVICES] [-v] [-p, --path-in-inventory P, __PATH_IN_INVENTORY] [-c, --inventory-columns C, __INVENTORY_COLUMNS] [-d, --data-source D, __DATA_SOURCE] [-t, --time-format T, __TIME_FORMAT]
-                               [-o, --output-directory O, __OUTPUT_DIRECTORY] [-m]
+OMD[build]:~$ ./local/bin/topology_data/create_topology_data.py -h
+usage: create_topology_data.py [-h] [-s SEED_DEVICES] [-v] [-p PATH_IN_INVENTORY] [-c INVENTORY_COLUMNS] [-d DATA_SOURCE] [-t TIME_FORMAT] [-o OUTPUT_DIRECTORY] [-m] [-k] [-u | -l]
 
 This script creates the topology data file needed for the Checkmk "network_visualization" plugin by Andreas Boesl and schnetz.
 For more information see https://forum.checkmk.com/t/network-visualization/41680 and https://exchange.checkmk.com/p/network-visualization
@@ -62,22 +61,25 @@ Version: 0.0.2-20231012 | Written by: thl-cmk, for more information see: https:/
 
 options:
   -h, --help            show this help message and exit
-  -s, --seed-devices S, __SEED_DEVICES
+  -s SEED_DEVICES, --seed-devices SEED_DEVICES
                         List of devices to start the topology discovery from. I.e. "CORE01, CORE02"
   -v, --version         Print version of this script and exit
-  -p, --path-in-inventory P, __PATH_IN_INVENTORY
+  -p PATH_IN_INVENTORY, --path-in-inventory PATH_IN_INVENTORY
                         Checkmk inventory path to the topology data. I.e. "networking,cdp_cache"
-  -c, --inventory-columns C, __INVENTORY_COLUMNS
+  -c INVENTORY_COLUMNS, --inventory-columns INVENTORY_COLUMNS
                         Columns used from the inventory data. I.e. "device_id,local_port,device_port"
                         NOTE: the columns must be in the order: neighbour, local_port, neighbour_port
-  -d, --data-source D, __DATA_SOURCE
+  -d DATA_SOURCE, --data-source DATA_SOURCE
                         The source from which the topology data originates. I.e. "inv_CDP" for CDP data from the inventory. NOTE: right now this only an unused label.
-  -t, --time-format T, __TIME_FORMAT
+  -t TIME_FORMAT, --time-format TIME_FORMAT
                         Format string to render the time. (default: %Y-%m-%dT%H:%M:%S.%m)
-  -o, --output-directory O, __OUTPUT_DIRECTORY
+  -o OUTPUT_DIRECTORY, --output-directory OUTPUT_DIRECTORY
                         Directory name where to save the topology data. I.e.: my_topology. Default is the actual date/time in "--time-format" format.
                         NOTE: the directory is a sub directory under "~/var/topology_data/"
   -m, --make_default    Set the created topology data as default
+  -k, --keep-domain     Do not remove the domain name from the neighbor name
+  -u, --uppercase       Change neighbour names to all upper case
+  -l, --lowercase       Change neighbour names to all lower case
 
 Usage:
 for CDP (the default):
@@ -89,7 +91,6 @@ for LLDP:
 ~/local/lib/topology_data/create_topology.py -s "CORE01,CORE02" -m -p "networking,lldp_cache" -c "system_name,local_port_num,port_id"
 ```
 
-
 ---
 ### Limitations
 
@@ -107,7 +108,7 @@ HOST_MAP = {
     'nexus03': 'NX03',
 }
 ```
-**NOTE**: the script will automatically remove the domain name form the neighbour names.
+**NOTE**: the script will automatically remove the domain name form the neighbour names. See Usage option `-k` / `--keep-domain`
 
 At the same place you can exclude invalid hosts from the topology data
 ```