diff --git a/man/udevadm.xml b/man/udevadm.xml
index 8d4fe31ec1c..7ace4f98268 100644
--- a/man/udevadm.xml
+++ b/man/udevadm.xml
@@ -308,9 +308,11 @@
           <term><option>-y</option></term>
           <term><option>--sysname-match=<replaceable>PATH</replaceable></option></term>
           <listitem>
-            <para>Trigger events for devices with a matching sys
-            device path. This option can be specified multiple times
-            and supports shell style pattern matching.</para>
+	    <para>Trigger events for devices for which the last component
+	    (i.e. the filename) of the <filename>/sys</filename> path matches
+	    the specified <replaceable>PATH</replaceable>. This option can be
+	    specified multiple times and also supports shell style pattern
+	    matching.</para>
           </listitem>
         </varlistentry>
         <varlistentry>