diff --git a/doc/source/tools.rst b/doc/source/tools.rst
index d69a31340ef1cc4ee707984311f7eba43715a095..f9cf05de0b6fa6f4f3a3e69b1e1abf90acc33145 100644
--- a/doc/source/tools.rst
+++ b/doc/source/tools.rst
@@ -105,3 +105,4 @@ Device Characterization
 -----------------------
 
 .. automodule:: pyopencl.characterize
+    :members: