diff --git a/codeql-sqlite/Illustrations.ql b/codeql-sqlite/Illustrations.ql
index 967b24d..1e104f9 100644
--- a/codeql-sqlite/Illustrations.ql
+++ b/codeql-sqlite/Illustrations.ql
@@ -1,6 +1,7 @@
 /**
  * @name Illustrations
  * @description Illustrations of some codeql classes.
+ * @kind table
  */
 
 import java
@@ -11,5 +12,7 @@ import QueryInjectionFlow::PathGraph
 // Find starting points -- UserInput etc. -- from
 // ql/cpp/ql/src/Security/CWE/CWE-089/SqlTainted.ql 
 
+// using QueryInjectionSink shows a sink.  So we're missing a source.
+
 from UserInput ui, QueryInjectionSink qsi
 select ui, qsi