diff --git a/.vscode/settings.json b/.vscode/settings.json
index f5df97a..38d6114 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,7 @@
 {
-    "crystal-lang.mainFile": "${workspaceRoot}/src/cbor.cr"
+    "crystal-lang.mainFile": "${workspaceRoot}/src/cbor.cr",
+    "cSpell.words": [
+        "CBOR",
+        "IANA"
+    ]
 }
\ No newline at end of file