diff --git a/.vscode/settings.json b/.vscode/settings.json
index b8d220a..36600ad 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -8,6 +8,7 @@
     "markdown.extension.toc.levels": "2..6",
     "markdown.extension.toc.omittedFromToc": {
         "README.md": [
+            "# Changelog",
             "# API Reference"
         ]
     }
diff --git a/GUIDES.md b/GUIDES.md
new file mode 100644
index 0000000..3763684
--- /dev/null
+++ b/GUIDES.md
@@ -0,0 +1,11 @@
+# Guidelines
+
+## Checklists
+
+### Adding a New Top-Level Function
+1. Insert the new function into the `evolved` table in `evolved.lua`.
+2. Create tests for the function in `develop/testing/function_name_tests.lua`.
+3. Add the new test to `develop/all.lua`.
+4. Document the function in the **Cheat Sheet** and **API Reference** sections of `README.md`.
+5. Provide a description in the **Overview** section of `README.md`.
+6. Describe the update in the **Changelog** section of `README.md`.
diff --git a/README.md b/README.md
index 71a435e..4b61406 100644
--- a/README.md
+++ b/README.md
@@ -1123,6 +1123,12 @@ builder_mt:destruction_policy :: id -> builder
 
 `evolved.lua` is licensed under the [MIT License][license]. For more details, see the [LICENSE.md](./LICENSE.md) file in the repository.
 
+# Changelog
+
+## v1.0.0
+
+- Initial release
+
 # API Reference
 
 ## Predefs