diff --git a/lib/pcm_mix/CMakeLists.txt b/lib/pcm_mix/CMakeLists.txt
index d52b7698926b..8ae316bb32f8 100644
--- a/lib/pcm_mix/CMakeLists.txt
+++ b/lib/pcm_mix/CMakeLists.txt
@@ -3,6 +3,7 @@
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
+# Testing change
 
 zephyr_library()
 zephyr_library_sources(