update broken erc20 link

docs/getting-started/products/yvaults/vault-tokens.md

@@ -9,7 +9,7 @@ If your yVault generates profit, the share price of your yVault tokens will incr
 ![](https://i.imgur.com/3zkSnoE.png)
 ![](https://i.imgur.com/yrGEVCr.png)
 
-Once a user's liquidity is withdrawn from the yVault, their yVault Token will be burned. yVault Tokens are [ERC20](https://docs.ethhub.io/built-on-ethereum/erc-token-standards/erc20/), meaning they can be transferred and traded as any other common Ethereum token.
+Once a user's liquidity is withdrawn from the yVault, their yVault Token will be burned. yVault Tokens are [ERC-20](https://ethereum.org/en/developers/docs/standards/tokens/erc-20/), meaning they can be transferred and traded as any other common Ethereum token.
 
 The vault tokens have evolved between v1, v2, and v3, here are a couple of main differences between them: