Update runtime files.
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 847290e..a48e9ea 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt* For Vim version 8.2. Last change: 2020 Jan 24
+*options.txt* For Vim version 8.2. Last change: 2020 Feb 14
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1380,6 +1380,7 @@
This option is used together with 'bufhidden' and 'swapfile' to
specify special kinds of buffers. See |special-buffers|.
+ Also see |win_gettype()|, which returns the type of the window.
Be careful with changing this option, it can have many side effects!