diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 5df176e..d8d168f 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -56,6 +56,7 @@
 MAC/FDDI addresses:
 
 	%pM	00:01:02:03:04:05
+	%pMR	05:04:03:02:01:00
 	%pMF	00-01-02-03-04-05
 	%pm	000102030405
 
@@ -67,6 +68,10 @@
 	the 'M' specifier to use dash ('-') separators instead of the default
 	separator.
 
+	For Bluetooth addresses the 'R' specifier shall be used after the 'M'
+	specifier to use reversed byte order suitable for visual interpretation
+	of Bluetooth addresses which are in the little endian order.
+
 IPv4 addresses:
 
 	%pI4	1.2.3.4