diff --git a/Plugins/Flow.Launcher.Plugin.Calculator/Languages/pl.xaml b/Plugins/Flow.Launcher.Plugin.Calculator/Languages/pl.xaml
index f040181b1..aa00d1039 100644
--- a/Plugins/Flow.Launcher.Plugin.Calculator/Languages/pl.xaml
+++ b/Plugins/Flow.Launcher.Plugin.Calculator/Languages/pl.xaml
@@ -1,8 +1,15 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:system="clr-namespace:System;assembly=mscorlib">
-
-    <system:String x:Key="flowlauncher_plugin_caculator_plugin_name">Kalkulator</system:String>
-    <system:String x:Key="flowlauncher_plugin_caculator_plugin_description">Szybkie wykonywanie obliczeń matematycznych. (Spróbuj wpisać 5*3-2 w oknie Flow Launchera)</system:String>
-    
-</ResourceDictionary>
\ No newline at end of file
+<?xml version="1.0"?>
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:system="clr-namespace:System;assembly=mscorlib">
+
+    <system:String x:Key="flowlauncher_plugin_caculator_plugin_name">Kalkulator</system:String>
+    <system:String x:Key="flowlauncher_plugin_caculator_plugin_description">Szybkie wykonywanie obliczeń matematycznych. (Spróbuj wpisać 5*3-2 w oknie Flow Launchera)</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_not_a_number">Not a number (NaN)</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_expression_not_complete">Expression wrong or incomplete (Did you forget some parentheses?)</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_copy_number_to_clipboard">Copy this number to the clipboard</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_output_decimal_seperator">Decimal separator</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_output_decimal_seperator_help">The decimal separator to be used in the output.</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_decimal_seperator_use_system_locale">Use system locale</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_decimal_seperator_comma">Comma (,)</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_decimal_seperator_dot">Dot (.)</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_max_decimal_places">Max. decimal places</system:String>
+</ResourceDictionary>