diff --git a/app/src/main/kotlin/org/fossify/notes/adapters/TasksAdapter.kt b/app/src/main/kotlin/org/fossify/notes/adapters/TasksAdapter.kt
index a64c374f..3d1ccff1 100644
--- a/app/src/main/kotlin/org/fossify/notes/adapters/TasksAdapter.kt
+++ b/app/src/main/kotlin/org/fossify/notes/adapters/TasksAdapter.kt
@@ -189,7 +189,7 @@ class TasksAdapter(
     private fun setupCompletedTasks(view: View, completedTasks: CompletedTasks) {
         ItemCheckedTasksBinding.bind(view).apply {
             numCheckedItems.apply {
-                text = activity.getString(R.string.num_checked_items, completedTasks.tasks.size)
+                text = resources.getQuantityString(R.plurals.num_checked_items, completedTasks.tasks.size, completedTasks.tasks.size)
                 setTextColor(textColor)
                 setTextSize(TypedValue.COMPLEX_UNIT_PX, context.getPercentageFontSize())
             }
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 7b5e8fe7..0504ba94 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -58,15 +58,21 @@
     <string name="autosave_notes">Automatyczne zapisywanie notatek</string>
     <string name="enable_line_wrap">Włącz zawijanie linii</string>
     <string name="use_incognito_mode">Używaj trybu incognito klawiatury</string>
-    <string name="move_done_checklist_items">Przesuwaj na dół wykonane elementy listy kontrolnej</string>
+    <string name="move_done_checklist_items">Przesuwaj na dół odhaczone elementy</string>
     <string name="add_new_checklist_items_top">Dodawaj na górze nowe elementy listy kontrolnej</string>
     <string name="checklist">Lista kontrolna</string>
     <string name="checklists">Listy kontrolne</string>
     <string name="add_new_checklist_item">Dodaj nowy element listy kontrolnej</string>
     <string name="add_new_checklist_items">Dodaj nowe elementy listy kontrolnej</string>
     <string name="checklist_is_empty">Lista kontrolna jest pusta</string>
-    <string name="delete_checked_items">Usuń wykonane elementy</string>
+    <string name="delete_checked_items">Usuń odhaczone elementy</string>
     <string name="add_to_the_top">Dodaj na górze</string>
+    <plurals name="num_checked_items">
+        <item quantity="one">%d odhaczony element</item>
+        <item quantity="few">%d odhaczone elementy</item>
+        <item quantity="many">%d odhaczonych elementów</item>
+        <item quantity="other">%d odhaczonych elementów</item>
+    </plurals>    
     <string name="import_folder">Importuj folder</string>
     <string name="export_notes">Eksportuj notatki</string>
     <string name="import_notes">Importuj notatki</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index ee0d1428..eca147d3 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -72,7 +72,10 @@
     <string name="checklist_is_empty">The checklist is empty</string>
     <string name="delete_checked_items">Delete checked items</string>
     <string name="add_to_the_top">Add to the top</string>
-    <string name="num_checked_items">%d checked items</string>
+    <plurals name="num_checked_items">
+        <item quantity="one">%d checked item</item>
+        <item quantity="other">%d checked items</item>
+    </plurals>
 
     <!-- Import / Export -->
     <string name="import_folder">Import folder</string>