Fixed misspelled key

src/main/resources/fxml/vault_options_masterkey.fxml

@@ -29,7 +29,7 @@
 			</Button>
 		</VBox>
 		<Region VBox.vgrow="ALWAYS"/>
-		<Label maxWidth="-Infinity" text="%vaultOptions.masterkey.recoveryKeyExpanation" wrapText="true"/>
+		<Label maxWidth="-Infinity" text="%vaultOptions.masterkey.recoveryKeyExplanation" wrapText="true"/>
 		<VBox spacing="6" alignment="CENTER">
 			<Button text="%vaultOptions.masterkey.showRecoveryKeyBtn" onAction="#showRecoveryKey" contentDisplay="LEFT" maxWidth="Infinity">
 				<graphic>

src/main/resources/i18n/strings.properties

@@ -322,7 +322,7 @@ vaultOptions.mount.mountPoint.directoryPickerTitle=Pick an empty directory
 vaultOptions.masterkey=Password
 vaultOptions.masterkey.changePasswordBtn=Change Password
 vaultOptions.masterkey.forgetSavedPasswordBtn=Forget Saved Password
-vaultOptions.masterkey.recoveryKeyExpanation=A recovery key is your only means to restore access to a vault if you lose your password.
+vaultOptions.masterkey.recoveryKeyExplanation=A recovery key is your only means to restore access to a vault if you lose your password.
 vaultOptions.masterkey.showRecoveryKeyBtn=Display Recovery Key
 vaultOptions.masterkey.recoverPasswordBtn=Recover Password
 ## Auto Lock