diff --git a/.config/zsh/zshrc.d/60-keys.zsh b/.config/zsh/zshrc.d/60-keys.zsh
index 80009cd..fce72fe 100644
--- a/.config/zsh/zshrc.d/60-keys.zsh
+++ b/.config/zsh/zshrc.d/60-keys.zsh
@@ -228,6 +228,7 @@ bindkey -M vicmd '^K' fzf-history-widget
 # ^T fzf-file-widget
 # \ec (Alt-C) fzf-cd-widget
 # ^R fzf-history-widget
+# TODO: ^R should insert the history line in BUFFER to differ from ctrl-up
 FZF_CTRL_T_COMMAND="${FZF_DEFAULT_COMMAND}"
 # Use the fallback default command when ripgrep is not installed but with
 # directories instead of files.