Update runtime files.
diff --git a/runtime/doc/usr_12.txt b/runtime/doc/usr_12.txt
index 829dfba..078d187 100644
--- a/runtime/doc/usr_12.txt
+++ b/runtime/doc/usr_12.txt
@@ -1,4 +1,4 @@
-*usr_12.txt* For Vim version 8.0. Last change: 2007 May 11
+*usr_12.txt* For Vim version 8.0. Last change: 2017 Aug 11
VIM USER MANUAL - by Bram Moolenaar
@@ -290,7 +290,7 @@
The line range "%" is used, thus this works on the whole file. The pattern
that the ":substitute" command matches with is "\s\+$". This finds white
space characters (\s), 1 or more of them (\+), before the end-of-line ($).
-Later will be explained how you write patterns like this |usr_27.txt|.
+Later will be explained how you write patterns like this, see |usr_27.txt|.
The "to" part of the substitute command is empty: "//". Thus it replaces
with nothing, effectively deleting the matched white space.