Improve notes on updating commands

Author: Sakib25800

docs/development.md

@@ -126,6 +126,7 @@ When modifying commands, make sure to update both:
 
 1. The `BorsCommand` enum in `src/bors/command/mod.rs`
 2. The help page in `templates/help.html`
+3. The `@bors help` command output in `src/bors/handlers/help.rs`
 
 ## Logs in tests
 By default, logs are disabled in tests. To enable them, add `#[traced_test]`

src/bors/command/mod.rs

@@ -64,7 +64,9 @@ impl FromStr for RollupMode {
 
 /// Bors command specified by a user.
 ///
-/// When modifying commands, remember to also update `templates/help.html`.
+/// When modifying commands, remember to also update:
+/// - `templates/help.html` (HTML help page)
+/// - `src/bors/handlers/help.rs` (the `@bors help` command output)
 #[derive(Debug, PartialEq)]
 pub enum BorsCommand {
     /// Approve a commit.