diff --git a/cspell.json b/cspell.json
index 4d6f76d3..fca40f4d 100644
--- a/cspell.json
+++ b/cspell.json
@@ -72,6 +72,7 @@
     "succ",
     "supercombinator",
     "supercombinators",
+    "tunr",
     "unbounds",
     "vectorize",
     "vectorizes",