diff --git a/README.md b/README.md
index 438e9f0..620af47 100644
--- a/README.md
+++ b/README.md
@@ -139,8 +139,10 @@ In `.tmux.conf`:
         set -g @resurrect-save-bash-history 'on'
 
 Bash `history` for individual panes will now be saved and restored. Due to
-technical limitations, this only works for panes which have Bash running in
-foreground (as opposed to e.g. vi or top) when saving.
+technical limitations, this only works for panes which have no program running in
+foreground when saving. `tmux-resurrect` will send history write command
+to each such pane. To prevent these commands from being added to history themselves,
+add `HISTCONTROL=ignoreboth` to your `.bashrc` (this is set by default in Ubuntu).
 
 ### Other goodies