diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst
index d23385e3e1592..454f307813ea6 100644
--- a/Documentation/dev-tools/kunit/start.rst
+++ b/Documentation/dev-tools/kunit/start.rst
@@ -197,7 +197,7 @@ Now add the following to ``drivers/misc/Kconfig``:
 
 	config MISC_EXAMPLE_TEST
 		bool "Test for my example"
-		depends on MISC_EXAMPLE && KUNIT
+		depends on MISC_EXAMPLE && KUNIT=y
 
 and the following to ``drivers/misc/Makefile``:
 
diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst
index 961d3ea3ca19a..62142a47488cf 100644
--- a/Documentation/dev-tools/kunit/usage.rst
+++ b/Documentation/dev-tools/kunit/usage.rst
@@ -561,6 +561,11 @@ Once the kernel is built and installed, a simple
 
 ...will run the tests.
 
+.. note::
+   Note that you should make sure your test depends on ``KUNIT=y`` in Kconfig
+   if the test does not support module build.  Otherwise, it will trigger
+   compile errors if ``CONFIG_KUNIT`` is ``m``.
+
 Writing new tests for other architectures
 -----------------------------------------