diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index 9e87626..0db0e41 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -892,7 +892,7 @@
       endfor
       return res
     endfunc
-    
+
     if exists('+thesaurusfunc')
       set thesaurusfunc=Thesaur
     endif