1 files changed, 2 insertions, 1 deletions

diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 00383186d8fb..5941f5136c6b 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -98,7 +98,8 @@ Your cooperation is appreciated.
                   8 = /dev/random       Nondeterministic random number gen.
                   9 = /dev/urandom      Faster, less secure random number gen.
                  10 = /dev/aio          Asynchronous I/O notification interface
-                 11 = /dev/kmsg         Writes to this come out as printk's
+                 11 = /dev/kmsg         Writes to this come out as printk's, reads
+                                        export the buffered printk records.
                  12 = /dev/oldmem       Used by crashdump kernels to access
                                         the memory of the kernel that crashed.