diff --git a/.cspell.json b/.cspell.json
index 2afc84957..e2b0768d9 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -36,6 +36,8 @@
     "Helios",
     "Msop",
     "Difop",
-    "gptp"
+    "gptp",
+    "Idat",
+    "Vdat"
   ]
 }