diff --git a/README.md b/README.md
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+++ b/README.md
@@ -14,7 +14,13 @@ Icy is developed and maintained by [Biological Image Analysis unit at Institut P
 ## Plugin description
 
 <!-- Short description of goals of package, with descriptive links to the documentation website --> 
+The Apache Commons Collections Library.
 
+The Java Collections Framework was a major addition in JDK 1.2. It added many powerful data structures that accelerate development of most significant Java applications. Since that time it has become the recognised standard for collection handling in Java.
+
+https://commons.apache.org/proper/commons-collections/
+
+Distributed on the Apache License, Version 2.0
         
 A more detailed user documentation can be found on the Apache Commons Collections documentation page on the Icy website: http://icy.bioimageanalysis.org/plugin/apache-commons-collections/