Index: build.tcl
==================================================================
--- build.tcl
+++ build.tcl
@@ -1,5 +1,8 @@
 #!/bin/sh
 # -*- tcl -*- \
 exec kettle -f "$0" "${1+$@}"
+# For kettle sources, documentation, etc. see
+# - http://core.tcl.tk/akupries/kettle
+# - http://chiselapp.com/user/andreas_kupries/repository/Kettle
 kettle tclapp icon_selector
 kettle tcl