Update appkit/flutter/core/options.mdx

Co-authored-by: Copilot <[email protected]>

Author: quetool

appkit/flutter/core/options.mdx

@@ -64,7 +64,7 @@ This callback method will be triggered if getting the balance from our blockchai
 
 These are the set of namespaces that will be requested to the wallet you are connecting to.
 
-These values are optionals and, in most cases, not required since AppKit already defines every required and optional namespace internally based on configured networks (EVM and Solana by default).
+These values are optional and, in most cases, not required since AppKit already defines every required and optional namespace internally based on configured networks (EVM and Solana by default).
 
 However, if you would want to override that definition with your own or support more networks than just EVM and Solana (i.e. Polkadot, Kadena, etc...) these are the object you should modify. See [Custom Networks](../core/custom-chains). section.