Add further clarification about my distinction

notes.md

@@ -62,6 +62,9 @@ Is there a distinction to be made between these cases?
   on a particular schedule, which depend on a person at the company explicitly
   making a delayed open source release
 
+(In some sense, this is a potential distinction between a "delayed open
+source licensing business practice" and a "delayed open source license".)
+
 # Sources / Acknowledgements
 
 * Simon Phipps