diff --git a/Documentation/i2c/busses/scx200_acb b/Documentation/i2c/busses/scx200_acb
index 08c8cd1..f50e699 100644
--- a/Documentation/i2c/busses/scx200_acb
+++ b/Documentation/i2c/busses/scx200_acb
@@ -6,9 +6,10 @@
 -----------------
 
 * base: int
-  Base addresses for the ACCESS.bus controllers
+  Base addresses for the ACCESS.bus controllers on SCx200 and SC1100 devices
 
 Description
 -----------
 
-Enable the use of the ACCESS.bus controllers of a SCx200 processor.
+Enable the use of the ACCESS.bus controller on the Geode SCx200 and
+SC1100 processors and the CS5535 and CS5536 Geode companion devices.