Update runtime files.
diff --git a/runtime/doc/vi_diff.txt b/runtime/doc/vi_diff.txt
index 8872103..82f6274 100644
--- a/runtime/doc/vi_diff.txt
+++ b/runtime/doc/vi_diff.txt
@@ -1,4 +1,4 @@
-*vi_diff.txt*   For Vim version 8.1.  Last change: 2019 Sep 27
+*vi_diff.txt*   For Vim version 8.1.  Last change: 2019 Oct 12
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -64,6 +64,9 @@
 w1200			number	(default 23)		*'w1200'*
 w9600			number	(default 23)		*'w9600'*
 
+Vi did not allow for changing the termcap entries, you would have to exit Vi,
+edit the termcap entry and try again.  Vim has the |terminal-options|.
+
 ==============================================================================
 3. Limits						*limits*