diff --git a/doc/Extensions/Auto-Discovery.md b/doc/Extensions/Auto-Discovery.md
index b1595f255c..7fb73ac59d 100644
--- a/doc/Extensions/Auto-Discovery.md
+++ b/doc/Extensions/Auto-Discovery.md
@@ -67,17 +67,23 @@ Enabled by default.
 
 This includes FDP, CDP and LLDP support based on the device type.
 
-Devices may be excluded from xdp discovery by name, description, or platform.
+Devices may be excluded from xdp discovery by sysname and sysdesc.
 
 ```php
 //Exclude devices by name
-$config['autodiscovery']['xdp_exclude']['sysname_regexp'][] = '/^dev/'
+$config['autodiscovery']['xdp_exclude']['sysname_regexp'][] = '/host1/';
+$config['autodiscovery']['xdp_exclude']['sysname_regexp'][] = '/^dev/';
 
 //Exclude devices by description
-$config['autodiscovery']['xdp_exclude']['sysdesc_regexp'][] = '/unmanaged switch/'
+$config['autodiscovery']['xdp_exclude']['sysdesc_regexp'][] = '/Vendor X/';
+$config['autodiscovery']['xdp_exclude']['sysdesc_regexp'][] = '/Vendor Y/';
+```
 
+Devices may be excluded from cdp discovery by platform.
+
+```php
 //Exclude devices by platform(Cisco only)
-$config['autodiscovery']['cdp_exclude']['platform_regexp'][] = 'WS-C3750G-12S'
+$config['autodiscovery']['cdp_exclude']['platform_regexp'][] = '/WS-C3750G/';
 ```
 
 These devices are excluded by default: