diff --git a/reactos/dll/win32/devmgr/hwresource.c b/reactos/dll/win32/devmgr/hwresource.c
index b9657a5c89b..fcc80956c0d 100644
--- a/reactos/dll/win32/devmgr/hwresource.c
+++ b/reactos/dll/win32/devmgr/hwresource.c
@@ -278,7 +278,7 @@ AddResourceItems(
          {
              if (LoadString(hDllInstance, IDS_RESOURCE_INTERRUPT, szBuffer, sizeof(szBuffer) / sizeof(szBuffer[0])))
              {
-                 wsprintf(szDetail, L"0x%08x(%d)", Descriptor->u.Interrupt.Level, Descriptor->u.Interrupt.Vector);
+                 wsprintf(szDetail, L"0x%08x (%d)", Descriptor->u.Interrupt.Level, Descriptor->u.Interrupt.Vector);
                  InsertListItem(hWndDevList, ItemCount, szBuffer, szDetail);
                  ItemCount++;
              }