diff --git a/applications/lofar2/designs/lofar2_unb2c_sdp_station/revisions/lofar2_unb2c_sdp_station_bf/tb_lofar2_unb2c_sdp_station_bf_bst_offload.vhd b/applications/lofar2/designs/lofar2_unb2c_sdp_station/revisions/lofar2_unb2c_sdp_station_bf/tb_lofar2_unb2c_sdp_station_bf_bst_offload.vhd
index 41634dcb4f229b0d31eb3ac08933f3fd86bc8350..4e7d6e2b1ef8620edbc490b69b157c8b2d38aae0 100644
--- a/applications/lofar2/designs/lofar2_unb2c_sdp_station/revisions/lofar2_unb2c_sdp_station_bf/tb_lofar2_unb2c_sdp_station_bf_bst_offload.vhd
+++ b/applications/lofar2/designs/lofar2_unb2c_sdp_station/revisions/lofar2_unb2c_sdp_station_bf/tb_lofar2_unb2c_sdp_station_bf_bst_offload.vhd
@@ -108,7 +108,7 @@ ARCHITECTURE tb OF tb_lofar2_unb2c_sdp_station_bf_bst_offload IS
   SIGNAL eth_done            : STD_LOGIC := '0';
 
   -- . 1GbE output
-  CONSTANT c_eth_check_nof_packets        : NATURAL := c_nof_sync * 1;
+  CONSTANT c_eth_check_nof_packets        : NATURAL := c_nof_sync * 1;  -- 1 received packet per sync interval
   CONSTANT c_eth_header_size              : NATURAL := 19; -- words
   CONSTANT c_eth_crc_size                 : NATURAL := 1; -- word
   CONSTANT c_eth_packet_size              : NATURAL := c_eth_header_size + c_eth_crc_size + (c_sdp_W_statistic / c_word_w) * c_sdp_S_sub_bf * c_sdp_N_pol; -- 20 + 2 * 488 * 2 = 1972