there shouldn't be a "."

[ci skip]

main/ui/src/main/resources/i18n/strings.properties

@@ -178,4 +178,4 @@ passwordStrength.messageLabel.4=Very strong
 
 # Quit
 quit.prompt=Quit application? There are unlocked vaults.
-quit.lockAndQuit=Lock and Quit.
+quit.lockAndQuit=Lock and Quit