diff --git a/policy/modules/system/lvm.te b/policy/modules/system/lvm.te
index d379ef3d3..ca10e6665 100644
--- a/policy/modules/system/lvm.te
+++ b/policy/modules/system/lvm.te
@@ -234,6 +234,7 @@ dev_manage_generic_symlinks(lvm_t)
 dev_relabel_generic_dev_dirs(lvm_t)
 dev_manage_generic_blk_files(lvm_t)
 # Read /sys/block. Device mapper metadata is kept there.
+# Write read_ahead_kb
 dev_rw_sysfs(lvm_t)
 # cjp: this has no effect since LVM does not
 # have lnk_file relabelto for anything else.