diff --git a/.tmux.conf.local b/.tmux.conf.local
index e48c0e6..0582f09 100644
--- a/.tmux.conf.local
+++ b/.tmux.conf.local
@@ -7,3 +7,10 @@
 
 # or alternatively use an external tool, e.g. https://github.com/Goles/Battery
 #tmux_conf_battery='#(battery -t) '
+
+# if you're running tmux within iTerm2
+#   - and tmux is 1.9 or 1.9a
+#   - and iTerm2 is configured to let option key act as +Esc
+#   - and iTerm2 is configured to send [1;9A -> [1;9D for option + arrow keys
+# then uncomment the following line to make Meta + arrow keys mapping work
+#set -g terminal-overrides "*:kUP3=\e[1;9A,*:kDN3=\e[1;9B,*:kRIT3=\e[1;9C,*:kLFT3=\e[1;9D"