Update runtime files.
diff --git a/runtime/doc/channel.txt b/runtime/doc/channel.txt
index bffb3e2..72887fe 100644
--- a/runtime/doc/channel.txt
+++ b/runtime/doc/channel.txt
@@ -806,8 +806,14 @@
The user can go to Normal mode and navigate through the buffer. This can be
useful see older output or copy text.
+The CTRL-W key can be used to start a window command, such as CTRL-W w to
+switch to the next window. This also works in Insert mode (use Shift-CTRL-W
+to delete a word). When leaving the window Insert mode will be stopped. When
+coming back to the prompt window Insert mode will be restored.
+
Any command that starts Insert mode, such as "a", "i", "A" and "I", will move
-the cursor to the last line, after the prompt.
+the cursor to the last line. "A" will move to the end of the line, "I" to the
+start of the line.
vim:tw=78:ts=8:ft=help:norl: