Updated runtime files.
diff --git a/runtime/doc/gui_w16.txt b/runtime/doc/gui_w16.txt
index a98f0d0..5b1ca64 100644
--- a/runtime/doc/gui_w16.txt
+++ b/runtime/doc/gui_w16.txt
@@ -16,7 +16,7 @@
 
 Other relevant documentation:
 |gui.txt|	For generic items of the GUI.
-|os_msdos.txt|  For items common to DOS and Windows.
+|os_msdos.txt|	For items common to DOS and Windows.
 |gui_w32.txt|	Some items here are also applicable to the Win16 version.
 
 {Vi does not have a Windows GUI}