Update runtime files
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 091ffb2..3563d88 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt*     For Vim version 8.1.  Last change: 2019 Aug 21
+*index.txt*     For Vim version 8.1.  Last change: 2019 Sep 02
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -23,7 +23,7 @@
 5. Terminal-Job mode			|terminal-job-index|
 6. EX commands				|ex-cmd-index|
 
-For an overview of options see help.txt |option-list|.
+For an overview of options see |option-list|.
 For an overview of built-in functions see |functions|.
 For a list of Vim variables see |vim-variable|.
 For a complete listing of all help items see |help-tags|.
@@ -1128,6 +1128,8 @@
 
 tag		command		action ~
 ------------------------------------------------------------------------------
+|:|		:		nothing
+|:range|	:{range}	go to last line in {range}
 |:!|		:!		filter lines or execute an external command
 |:!!|		:!!		repeat last ":!" command
 |:#|		:#		same as ":number"