diff --git a/CODE_STYLE.md b/CODE_STYLE.md
index 6dc4e2a8..aaa9a311 100644
--- a/CODE_STYLE.md
+++ b/CODE_STYLE.md
@@ -111,3 +111,7 @@ impl<'a> AnswerCallbackQuery<'a> {
 C: Into<String>, { ... }
 ```
 </details>
+
+# Naming
+ 1. Avoid unnecessary duplication (`Message::message_id` -> `Message::id` using `#[serde(rename = "message_id")]`).
+ 2. Use a generic parameter name `S` for streams, `Fut` for futures, `F` for functions (where possible).