diff --git a/bindings/java/doxygen/artifact_catalog.dox b/bindings/java/doxygen/artifact_catalog.dox
index b208a111faf2695caa614a3bf3375fa4835c3fef..f2eba3c561be8efb4eff5ab86e6dea45a1ab9888 100644
--- a/bindings/java/doxygen/artifact_catalog.dox
+++ b/bindings/java/doxygen/artifact_catalog.dox
@@ -241,7 +241,8 @@ A generic information artifact.
 ### REQUIRED ATTRIBUTES
 None
 
-
+### OPTIONAL ATTRIBUTES
+- TSK_PHOTODNA_HASH (The PhotoDNA hash of an image)
 
 ---
 ## TSK_GPS_BOOKMARK