Update runtime files.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index a0425b7..e202c33 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt* For Vim version 8.0. Last change: 2017 Jul 30
+*index.txt* For Vim version 8.0. Last change: 2017 Aug 02
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -540,7 +540,7 @@
|CTRL-W_J| CTRL-W J move current window to the very bottom
|CTRL-W_K| CTRL-W K move current window to the very top
|CTRL-W_L| CTRL-W L move current window to the far right
-|CTRL-W_N| CTRL-W N terminal window: go to Terminal mode
+|CTRL-W_N| CTRL-W N terminal window: go to Terminal Normal mode
|CTRL-W_P| CTRL-W P go to preview window
|CTRL-W_R| CTRL-W R rotate windows upwards N times
|CTRL-W_S| CTRL-W S same as "CTRL-W s"