Index: libcfa/src/concurrency/select.hfa
===================================================================
--- libcfa/src/concurrency/select.hfa	(revision bbecdd4e92ef5af54bd26d222e3783bf68890eaf)
+++ libcfa/src/concurrency/select.hfa	(revision bdbb448db74f30e04bb20f65e21f65932c69a824)
@@ -95,5 +95,7 @@
     // This routine is run on the selecting thread prior to executing the statement corresponding to the select_node
     //    passed as an arg to this routine
-    // If on_selected returns false, the statement is not run, if it returns true it is run.
+    // If on_selected returns false, the statement is not run if the on_selected call occured as 
+    //    part of a statement block that only ran due to an unregister_select that returned true
+    //    In all other executions the return value is ignored.
     bool on_selected( T &, select_node & );
 };