diff --git a/MEV_on_Ethereum/block_builders.md b/MEV_on_Ethereum/block_builders.md
index 0d3bd0e..b668f05 100644
--- a/MEV_on_Ethereum/block_builders.md
+++ b/MEV_on_Ethereum/block_builders.md
@@ -2,10 +2,10 @@
 
 ### tl; dr
 
+
 * `blockValue` = `txFees` + MEV
-
-<br>
-
+* block bidding is carried out as a sealed bid auction
+* however, searchers can pay the builder through either coinbase payments and `txsFees`
 ----
 
 ### resources