1 files changed, 3 insertions, 0 deletions

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index ee583fe9ba..7c2b4fb278 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -3069,6 +3069,9 @@ using the following::
 
    $ bitbake -c testsdk image
 
+The list of test modules that are run can be controlled with the
+:term:`TESTSDK_SUITES` variable.
+
 .. note::
 
    Best practices include using :term:`IMAGE_CLASSES` rather than