diff --git a/runtime/doc/tips.txt b/runtime/doc/tips.txt
index 5c0d205..ea8d538 100644
--- a/runtime/doc/tips.txt
+++ b/runtime/doc/tips.txt
@@ -539,7 +539,7 @@
 >
 	command -bar -nargs=? -complete=help HelpCurwin execute s:HelpCurwin(<q-args>)
 	let s:did_open_help = v:false
-	
+
 	function s:HelpCurwin(subject) abort
 	  let mods = 'silent noautocmd keepalt'
 	  if !s:did_open_help