diff --git a/man7/bootparam.7 b/man7/bootparam.7
index aa884b3ef..50c9e0239 100644
--- a/man7/bootparam.7
+++ b/man7/bootparam.7
@@ -1115,7 +1115,11 @@ only affect performance, and can safely be ignored.)
 The sound driver can also accept boot args to override the compiled in
 values.
 This is not recommended, as it is rather complex.
-It is described in the Readme.Linux file, in linux/drivers/sound.
+It is described in the kernel source file
+.IR Documentation/sound/oss/README.OSS
+.RI ( drivers/sound/Readme.linux
+in older kernel versions).
+Readme.Linux file, in linux/drivers/sound.
 It accepts
 a boot arg of the form:
 .IP