diff --git a/Documentation/networking/arcnet-hardware.rst b/Documentation/networking/arcnet-hardware.rst
index b5a1a020c824397136ee4089c0660f23ab769d26..ac249ac8fcf2f8b59d61e84d7deaa22c7cb08562 100644
--- a/Documentation/networking/arcnet-hardware.rst
+++ b/Documentation/networking/arcnet-hardware.rst
@@ -1296,8 +1296,8 @@ DIP Switches:
 	11111           0xC400 (guessed - crashes tested system)
 	=============   ============================================
 
-CNet Technology Inc.
-====================
+CNet Technology Inc. (8-bit cards)
+==================================
 
 120 Series (8-bit cards)
 ------------------------
@@ -1520,8 +1520,8 @@ The jumpers labeled EXT1 and EXT2 are used to determine the timeout
 parameters. These two jumpers are normally left open.
 
 
-CNet Technology Inc.
-====================
+CNet Technology Inc. (16-bit cards)
+===================================
 
 160 Series (16-bit cards)
 -------------------------