diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index f197d61f8..8e555ae29 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -64,4 +64,6 @@ jobs:
         with:
           incremental_files_only: false
           config: ./cspell.json
-          files: "**/*.rs **/*.md"
+          files: |
+            **/*.rs
+            **/*.md
diff --git a/cspell.json b/cspell.json
index 4d6f76d33..fca40f4d3 100644
--- a/cspell.json
+++ b/cspell.json
@@ -72,6 +72,7 @@
     "succ",
     "supercombinator",
     "supercombinators",
+    "tunr",
     "unbounds",
     "vectorize",
     "vectorizes",