diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 50cbb1d9..847d413d 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -21,7 +21,7 @@
     <string name="forward_message">Przekaż dalej</string>
     <string name="compress_error">Nie udało się skompresować obrazu do wybranego rozmiaru</string>
     <!-- Attachments -->
-    <string name="duplicate_item_warning">Duplicate item was not included</string>
+    <string name="duplicate_item_warning">Powielony element nie został uwzględniony</string>
     <!-- vCard -->
     <plurals name="and_other_contacts">
         <item quantity="one">i %d inny</item>
@@ -95,4 +95,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
+</resources>
\ No newline at end of file