diff --git a/doc/usage/cmd/temperature.rst b/doc/usage/cmd/temperature.rst
index a5144ec..945bc82 100644
--- a/doc/usage/cmd/temperature.rst
+++ b/doc/usage/cmd/temperature.rst
@@ -1,5 +1,8 @@
 .. SPDX-License-Identifier: GPL-2.0-or-later
 
+.. index::
+   single: temperature (command)
+
 temperature command
 ===================