Update erc721-nft-bridge.mdx (#78)

Author: diposs

src/content/docs/en/developers/l1-and-l2-bridging/erc721-nft-bridge.mdx

@@ -65,7 +65,7 @@ The `L2ERC721Gateway` contract is used to send tokens from L2 to L1. Before brid
 
 <Aside type="caution" title="">
   **Make sure the transaction won't revert on L1** while sending from L2. There is no way to recover the NFT bridged if
-  you're transaction reverts on L1. All assets are burnt on L2 when the transaction is sent, and it's impossible to mint
+  your transaction reverts on L1. All assets are burnt on L2 when the transaction is sent, and it's impossible to mint
   them again.
 </Aside>