LibUCW: Documented OptionalInclude in configuration files.

diff --git a/ucw/doc/config.txt b/ucw/doc/config.txt
index 7bf6369133dea6362e5d97e1b53ca80afc3754fa..52598016236f22e60ad736fb4f21652f6601f0bb 100644 (file)
--- a/ucw/doc/config.txt
+++ b/ucw/doc/config.txt
@@ -139,7 +139,11 @@ Including other files
 
 To include another file, use the command
 
-  include another/file
+  Include another/file
+
+or if the file needs not to exist
+
+  OptionalInclude another/file
 
 (Beware that this command has to be the last one on the line.)