Update fee-system.mdx

slight update for narrative consistency

packages/specs/pages/base-ledger/fee-system.mdx

@@ -156,7 +156,7 @@ track any changes in these parameters and act accordingly.
 
 ### Unshielding
 
-To provide improved privay, Namada allows the signer of the wrapper transaction
+To provide improved data protection, Namada allows the signer of the wrapper transaction
 to unshield some funds on the go to cover the cost of the fee. This also
 addresses a possible locked-out problem in which a user doesn't have enough
 funds to pay fees (preventing any sort of operation on the chain). The