--- a/devtools/client/storage.ftl
+++ b/devtools/client/storage.ftl
@@ -62,26 +62,31 @@ storage-context-menu-add-item =
 storage-context-menu-delete-all-from =
     .label = Usuń wszystko z „{ $host }”
 
 ## Header names of the columns in the Storage Table for each type of storage available
 ## through the Storage Tree to the side.
 
 storage-table-headers-cookies-name = Nazwa
 storage-table-headers-cookies-value = Wartość
+storage-table-headers-cookies-expires = Wygasa / Max-Age
+storage-table-headers-cookies-size = Rozmiar
+storage-table-headers-cookies-last-accessed = Ostatni dostęp
+storage-table-headers-cookies-creation-time = Utworzono
 storage-table-headers-cache-status = Stan
 storage-table-headers-extension-storage-area = Obszar pamięci
 
 ## Labels for Storage type groups present in the Storage Tree, like cookies, local storage etc.
 
 storage-tree-labels-cookies = Ciasteczka
 storage-tree-labels-local-storage = Lokalna pamięć
 storage-tree-labels-session-storage = Pamięć sesji
 storage-tree-labels-indexed-db = IndexedDB
 storage-tree-labels-cache = Pamięć podręczna
+storage-tree-labels-extension-storage = Pamięć rozszerzenia
 
 ##
 
 # Tooltip for the button that collapses the right panel in the
 # storage UI when the panel is closed.
 storage-expand-pane =
     .title = Pokaż panel
 # Tooltip for the button that collapses the right panel in the