diff --git a/src/extension.ts b/src/extension.ts
index 80f5cbf..21d60a3 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -78,6 +78,7 @@ export function activate(context: vscode.ExtensionContext) {
 			// TODO: prune text up to a maximum context length
 
 			// Prefix the filename in a comment
+			// TODO: add a config for this
 			let pfx: string, sfx: string;
 			const fname = document.fileName.split('/').at(-1);
 			const lang = document.languageId;