Fix edit item submit button text

warehouse/templates/item/edit.html

@@ -6,7 +6,7 @@
 	<input name="name" placeholder="Name" class="form-control" value="{{ item.name }}">
 	<textarea name="description" placeholder="Description" class="form-control mt-2">{{ item.description }}</textarea>
 	<div class="mt-2 clearfix">
-		<button type="submit" class="btn btn-primary float-end">Add item</button>
+		<button type="submit" class="btn btn-primary float-end">Save</button>
 	</div>
 </form>
 {% endblock %}