diff --git a/README.md b/README.md
index 016c110..e904350 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ Fun is and will ever be 100% free under the terms of the [Apache-2.0 License](ht
- [SQLite](https://sqlite.org/) support builtin (optional) ☐
- [Tk](https://www.tcl-lang.org/) support builtin for GUI application development (optional) ☐
+☑ = Done / ☐ = Planned or in progress.
+
## Characteristics
- Dynamic and optionally statically typed