diff --git a/Info/Layer1.pm b/Info/Layer1.pm
index 9d9b3ca2..ce2e9777 100644
--- a/Info/Layer1.pm
+++ b/Info/Layer1.pm
@@ -253,6 +253,14 @@ Gets the number of ports under the interface mib
 
 =over
 
+=item $l1->model()
+
+Cross references $l1->id() with product IDs.
+
+For HP devices, removes C<'hpswitch'> from the name
+
+For Cisco devices, removes C<'sysid'> from the name
+
 =item $l1->vendor()
 
 Tries to discover the vendor from $l1->model() and $l1->vendor()