diff --git a/configs/twr-k60n512/README.txt b/configs/twr-k60n512/README.txt
index d5710a38a7b..c7b3ead4743 100644
--- a/configs/twr-k60n512/README.txt
+++ b/configs/twr-k60n512/README.txt
@@ -557,8 +557,10 @@ TWR-K60N512-specific Configuration Options
 
   Kenetis ethernet controller settings
 
-    CONFIG_ENET_NBUFFERS - Number of TX/RX buffers.  The size of one
-        buffer is determined by CONFIG_NET_BUFSIZE.  Default: 8
+    CONFIG_ENET_NRXBUFFERS - Number of RX buffers.  The size of one
+        buffer is determined by CONFIG_NET_BUFSIZE.  Default: 6
+    CONFIG_ENET_NTXBUFFERS - Number of TX buffers.  The size of one
+        buffer is determined by CONFIG_NET_BUFSIZE.  Default: 2
     CONFIG_ENET_USEMII - Usee MII mode.  Default: RMII mode.
     CONFIG_ENET_PHYADDR - PHY address