diff --git a/.tmux.conf b/.tmux.conf
index 818b83e..394fc02 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -24,10 +24,10 @@ set -g mouse on
 
 set-window-option -g mode-keys vi
 
-bind-key -T copy-mode-vi 'v' send -X begin-selection
-bind-key -T copy-mode-vi 'y' send -X copy-selection
+bind-key -T copy-mode-vi 'v' send -X begin-selection # start selecting text with "v"
+bind-key -T copy-mode-vi 'y' send -X copy-selection # copy text with "y"
 
-unbind -T copy-mode-vi MouseDragEnd1Pane
+unbind -T copy-mode-vi MouseDragEnd1Pane # don't exit copy mode when dragging with mouse
 
 # tpm plugin
 set -g @plugin 'tmux-plugins/tpm'