diff --git a/man/udev_enumerate_new.xml b/man/udev_enumerate_new.xml
index ba5fec9557..8c34e12bee 100644
--- a/man/udev_enumerate_new.xml
+++ b/man/udev_enumerate_new.xml
@@ -49,11 +49,16 @@
-
+ udev_enumerate_new() creates an enumeration context to scan /sys.
+
+ udev_enumerate_ref() takes a reference of an enumeration context.
+
+ udev_enumerate_unref() drops a reference of an enumeration context. If the refcount reaches zero,
+ all resources of the enumeration context will be released.
+
Return Value