diff --git a/dasCoreUtil/src/org/das2/util/Entities.java b/dasCoreUtil/src/org/das2/util/Entities.java
index b2dd55361..15d915bb4 100755
--- a/dasCoreUtil/src/org/das2/util/Entities.java
+++ b/dasCoreUtil/src/org/das2/util/Entities.java
@@ -1,7 +1,8 @@
 /**
  * From Lucene Search Engine.
  * code found at http://www.koders.com, decodeEntities() added.
- * 
+ * https://detexify.kirelabs.org/classify.html
+ * https://shapecatcher.com/
  */
 package org.das2.util;