Update 'limitations' doc

Bruno Sutic · Bruno Sutic · commit 887dc3c63b21 · 2015-08-21T17:28:45.000+02:00
diff --git a/docs/limitations.md b/docs/limitations.md
@@ -21,3 +21,4 @@
 
       bind -t vi-copy Escape cancel
 
+  After removing this key binding, don't forget to restart tmux server!

Original file line number	Diff line number	Diff line change
`@@ -21,3 +21,4 @@`
`21`	`21`
`22`	`22`	`bind -t vi-copy Escape cancel`
`23`	`23`
	`24`	`+ After removing this key binding, don't forget to restart tmux server!`