diff --git a/uniswap/uniswap-v3.md b/uniswap/uniswap-v3.md
index 87ff5c4..7aef4d6 100644
--- a/uniswap/uniswap-v3.md
+++ b/uniswap/uniswap-v3.md
@@ -2,11 +2,13 @@
 
 <br>
 
-* better gas refunds due to it's flash loan style architecture.
+* Uniswap v3 replaces fungible ERC-20 liquidity positions with non-fungible ERC-721 liquidity positions.
+* better gas refunds due to it's flashloan style architecture.
 
 
 <br>
 
 ### resources
 
+* [uniswap v3 whitepaper](https://uniswap.org/whitepaper-v3.pdf)
 * [liquidity mining on uniswap v3 by paradigm](https://www.paradigm.xyz/2021/05/liquidity-mining-on-uniswap-v3)