diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index f6505e6..bf3e346 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt*  For Vim version 8.1.  Last change: 2019 Jul 18
+*quickref.txt*  For Vim version 8.1.  Last change: 2019 Aug 01
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -651,6 +651,7 @@
 'complete'	  'cpt'     specify how Insert mode completion works
 'completefunc'	  'cfu'     function to be used for Insert mode completion
 'completeopt'	  'cot'     options for Insert mode completion
+'completeslash'	  'csl'	    like 'shellslash' for completion
 'concealcursor'	  'cocu'    whether concealable text is hidden in cursor line
 'conceallevel'	  'cole'    whether concealable text is shown or hidden
 'confirm'	  'cf'	    ask what to do about unsaved/read-only files