Update runtime files.
diff --git a/runtime/doc/usr_05.txt b/runtime/doc/usr_05.txt
index 2cfff24..3a7438d 100644
--- a/runtime/doc/usr_05.txt
+++ b/runtime/doc/usr_05.txt
@@ -58,8 +58,8 @@
|defaults.vim| for the details.
The vimrc file can contain all the commands that you type after a colon. The
-most simple ones are for setting options. For example, if you want Vim to
-always start with the 'incsearch' option on, add this line your vimrc file: >
+simplest ones are for setting options. For example, if you want Vim to always
+start with the 'incsearch' option on, add this line your vimrc file: >
set incsearch