- CFG_RX_ETH_BUFFER added.
diff --git a/README b/README
index ce27ff1..f660f46 100644
--- a/README
+++ b/README
@@ -690,7 +690,7 @@
 - NETWORK Support (PCI):
 		CONFIG_E1000
 		Support for Intel 8254x gigabit chips.
-		
+
 		CONFIG_EEPRO100
 		Support for Intel 82557/82559/82559ER chips.
 		Optional CONFIG_EEPRO100_SROM_WRITE enables eeprom
@@ -1442,6 +1442,14 @@
 		Define if the flash driver uses extra elements in the
 		common flash structure for storing flash geometry
 
+- CFG_RX_ETH_BUFFER:
+		Defines the number of ethernet receive buffers. On some
+		ethernet controllers it is recommended to set this value
+		to 8 or even higher (EEPRO100 or 405 EMAC), since all
+		buffers can be full shortly after enabling the interface
+		on high ethernet traffic.
+		Defaults to 4 if not defined.
+
 The following definitions that deal with the placement and management
 of environment data (variable area); in general, we support the
 following configurations: