diff --git a/cSpell.json b/cSpell.json
index 6f93af103..9396f4ca8 100644
--- a/cSpell.json
+++ b/cSpell.json
@@ -48,6 +48,7 @@
     "inkdrop",
     "jaoude",
     "jison",
+    "katex",
     "kaufmann",
     "khroma",
     "klemm",