diff --git a/proto/rip/config.Y b/proto/rip/config.Y
index 29ea7eb1..083d2e91 100644
--- a/proto/rip/config.Y
+++ b/proto/rip/config.Y
@@ -131,7 +131,7 @@ rip_iface_item:
  | TIMEOUT TIME expr	{ RIP_IFACE->timeout_time = $3; if ($3<=0) cf_error("Timeout time must be positive"); }
  | GARBAGE TIME expr	{ RIP_IFACE->garbage_time = $3; if ($3<=0) cf_error("Garbage time must be positive"); }
  | ECMP WEIGHT expr	{ RIP_IFACE->ecmp_weight = $3 - 1; if (($3<1) || ($3>256)) cf_error("ECMP weight must be in range 1-256"); }
- | RX BUFFER expr	{ RIP_IFACE->rx_buffer = $3; if (($3<256) || ($3>65535)) cf_error("TX length must be in range 256-65535"); }
+ | RX BUFFER expr	{ RIP_IFACE->rx_buffer = $3; if (($3<256) || ($3>65535)) cf_error("RX length must be in range 256-65535"); }
  | TX LENGTH expr	{ RIP_IFACE->tx_length = $3; if (($3<256) || ($3>65535)) cf_error("TX length must be in range 256-65535"); }
  | TX tos		{ RIP_IFACE->tx_tos = $2; }
  | TX PRIORITY expr	{ RIP_IFACE->tx_priority = $3; }