Add some chips supported by the igb(4) driver

diff --git a/docs/supportedhardware/index.mdwn b/docs/supportedhardware/index.mdwn
index b86b2e4..a17d78c 100644 (file)
--- a/docs/supportedhardware/index.mdwn
+++ b/docs/supportedhardware/index.mdwn
@@ -48,15 +48,16 @@ Devices supported by the tws(4) driver
 
 ### Gigabit ethernet adapters
 
-Devices supported by the em(4) driver
+Devices supported by the em(4) driver:
 
 * Intel 82540, 82541ER, 82541PI, 82542, 82543, 82544, 82545, 82546,
 82546EB, 82546GB, 82547
 * Intel 82571, 81572, 82573, and 82574
 
-Devices supported by the re(4) driver
+The igb(4) driver provides support for PCI Express Gigabit Ethernet adapters
+based on the Intel 82575 and 82576 Ethernet controller chips.
 
-* Realtek RTL8169, RTL8169S, RTL8110S, RTL8168S, RTL8111S and RTL8101E
+The re(4) driver supports Realtek RTL8169, RTL8169S, RTL8110S, RTL8168S, RTL8111S and RTL8101E ethernet chipsets
 
 ## Broken hardware