Minor improvement to the documentation.

README.md

@@ -79,6 +79,7 @@ This is useful for users who would like to try out NFT services using free test
  - Expression of identity, personality, or taste through an NFT.
  - Investment in a rare and potentially valuable asset that may appreciate over time.
  - Speculation on the future value of the NFT and the potential to sell it for a profit.
+ - The potential for early users to expect an airdrop of the VisualKey token in the future.
  - An option for gifting or as a keepsake.
  - Enjoyment collecting and trading NFTs.
  - A unique way to support the project.
@@ -104,5 +105,5 @@ Deployed Smart Contracts:
 [BNB Chain](https://bscscan.com/address/0x6dD422EE124204a4A9c38189580266dcD55bC648)
 
 [Ethereum Sepolia](https://sepolia.etherscan.io/address/0xa9Ab50860bbADA427d1844A63cC7a1A7E7D038Cc)  
-[Polygon Mumbai](https://mumbai.polygonscan.com/address/0xA76001F57649F00d92EB66A8BEBf8ffBe2CC1810)
-[BNB Chain Testnet](https://testnet.bscscan.com/address/0x7b6b3067e5876a529Aab2b320BA21e7911151a1e)
+[Polygon Mumbai](https://mumbai.polygonscan.com/address/0xA76001F57649F00d92EB66A8BEBf8ffBe2CC1810)  
+[BNB Chain Testnet](https://testnet.bscscan.com/address/0x7b6b3067e5876a529Aab2b320BA21e7911151a1e)