docs: update for clarity

Signed-off-by: Kekeocha Justin Chetachukwu <39213342+justinkekeocha@users.noreply.github.com>

Author: justinkekeocha

docs/new-wallet.md

@@ -1,7 +1,6 @@
 # Create a wallet and use it
 
-Virtual wallets can be any number. 
-The main thing is that they do not match the `slug`.
+You can create an unlimited number of wallets, but the `slug` for each wallet should be unique.
 
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