diff --git a/cspell.json b/cspell.json
index 8b637f2..30c85ec 100644
--- a/cspell.json
+++ b/cspell.json
@@ -222,7 +222,9 @@
         "LMGC",
         "MDLS",
         "maisondelasimulation",
-        "xlim"
+        "xlim",
+        "lisn",
+        "upsaclay"
     ],
     // flagWords - list of words to be always considered incorrect
     // This is useful for offensive words and common spelling errors.