diff --git a/Documentation/sound/designs/procfile.rst b/Documentation/sound/designs/procfile.rst
index 29a466851fd2..e9f7e0cbdc5f 100644
--- a/Documentation/sound/designs/procfile.rst
+++ b/Documentation/sound/designs/procfile.rst
@@ -91,7 +91,7 @@ PCM Proc Files
 
 ``card*/pcm*/xrun_debug``
 	This file appears when ``CONFIG_SND_DEBUG=y`` and
-	``CONFIG_PCM_XRUN_DEBUG=y``.
+	``CONFIG_SND_PCM_XRUN_DEBUG=y``.
 	This shows the status of xrun (= buffer overrun/xrun) and
 	invalid PCM position debug/check of ALSA PCM middle layer.
 	It takes an integer value, can be changed by writing to this