diff --git a/[refs] b/[refs]
index 9f137b8115fa..2883ba60a5ab 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9f255651fb41c111ee35a2ae632df8ce9bd61def
+refs/heads/master: ff543332ec5d23833994fca9e7789f067fb51221
diff --git a/trunk/lib/Kconfig.debug b/trunk/lib/Kconfig.debug
index df27132a56f4..ba106db5a65b 100644
--- a/trunk/lib/Kconfig.debug
+++ b/trunk/lib/Kconfig.debug
@@ -74,6 +74,9 @@ config DEBUG_FS
 	  debugging files into.  Enable this option to be able to read and
 	  write to these files.
 
+	  For detailed documentation on the debugfs API, see
+	  Documentation/DocBook/filesystems.
+
 	  If unsure, say N.
 
 config HEADERS_CHECK