diff --git a/doc/source/admin/telemetry-data-collection.rst b/doc/source/admin/telemetry-data-collection.rst
index 70c04fe0e3..7890389710 100644
--- a/doc/source/admin/telemetry-data-collection.rst
+++ b/doc/source/admin/telemetry-data-collection.rst
@@ -205,7 +205,7 @@ Meter definitions
 The Telemetry service collects a subset of the meters by filtering
 notifications emitted by other OpenStack services. You can find the meter
 definitions in a separate configuration file, called
-``ceilometer/meter/data/meters.yaml``. This enables
+``ceilometer/data/meters.d/meters.yaml``. This enables
 operators/administrators to add new meters to Telemetry project by updating
 the ``meters.yaml`` file without any need for additional code changes.
 
@@ -216,6 +216,10 @@ the ``meters.yaml`` file without any need for additional code changes.
    collected meters can differ in some cases from what is referenced in the
    documentation.
 
+It also support loading multiple meter definition files and allow users to add
+their own meter definitions into several files according to different types of
+metrics under the directory of ``/etc/ceilometer/meters.d``.
+
 A standard meter definition looks like:
 
 .. code-block:: yaml