diff --git a/codex-rs/tui/src/chatwidget.rs b/codex-rs/tui/src/chatwidget.rs
index f8d4cdebd5..27d7f3900d 100644
--- a/codex-rs/tui/src/chatwidget.rs
+++ b/codex-rs/tui/src/chatwidget.rs
@@ -4323,6 +4323,9 @@ impl ChatWidget {
             && !matches!(cmd, SlashCommand::Model | SlashCommand::Review)
         {
             self.queue_user_message(format!("/{}", cmd.command()).into());
+            // This busy-path queueing only happens for live command dispatch. Queued replay
+            // executes slash drafts only while idle, and handle_serialized_slash_command() queues
+            // instead of dispatching when a task is already running.
             return QueueReplayControl::Stop;
         }
         match cmd {