Update content/developers/docs/mev/index.md

Fix typo: "then used to then" -> "then used to"

Author: abraj

public/content/developers/docs/mev/index.md

@@ -52,7 +52,7 @@ It works like this: if two DEXes are offering a token at two different prices, s
 
 Lending protocol liquidations present another well-known MEV opportunity.
 
-Lending protocols like Maker and Aave require users to deposit some collateral (e.g. ETH). This deposited collateral is then used to then lend out to other users.
+Lending protocols like Maker and Aave require users to deposit some collateral (e.g. ETH). This deposited collateral is then used to lend out to other users.
 
 Users can then borrow assets and tokens from others depending on what they need (e.g. you might borrow MKR if you want to vote in a MakerDAO governance proposal) up to a certain percentage of their deposited collateral. For example, if the borrowing amount is a maximum of 30%, a user who deposits 100 DAI into the protocol can borrow up to 30 DAI worth of another asset. The protocol determines the exact borrowing power percentage.