Index: openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl,v
diff -u -N -r1.171 -r1.172
--- openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	2 Aug 2018 11:20:04 -0000	1.171
+++ openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	2 Aug 2018 13:11:39 -0000	1.172
@@ -4036,6 +4036,9 @@
 #   - prefix:        used for resolving the files on the server; might either point
 #                    to the CDN or to locally installed files (typically /resources/...)
 #
+# Optionally, the dict can contain more fields, like e.g. an urnMap for mapping
+# urls to resources (see e.g. openacs-bootstrap4-theme)
+#
 namespace eval util::resources {
 
     ad_proc -public ::util::resources::is_installed_locally {