Merge pull request #68 from coinbase/wilson/cleanup

clean up FAQ language post launch

docs/pages/FAQ.mdx

@@ -1,6 +1,3 @@
-## When will Smart Wallet be publicly available on mainnets? 
-By early June. 
-
 ## What networks are supported?
 - Base
 - Arbitrum
@@ -21,7 +18,7 @@ and can view and manage assets at [homebase.coinbase.com](https://homebase.coinb
 
 See [makeWeb3Provider](/sdk/makeWeb3Provider#parameters) documentation for nuances based on different configurations. 
 
-## Will users have the same address across chains? 
+## Do users have the same address across chains? 
 Yes, a user's Smart Wallet address will be the same across all the chains we support. 
 
 ## How much does it cost?
@@ -35,7 +32,7 @@ For example, some current transaction costs on Base using Smart Wallet
 - ETH transfer: $0.03
 - ERC-20 transfer: $0.06
 
-## Who's holding the keys?
+## Who is holding the keys?
 Smart wallets are secured by passkeys stored on the user's device. 
 Passkeys are backed up with passkey providers such as Apple, Chrome, or 1Password, 
 or on hardware such as YubiKeys.