diff --git a/bindings/java/doxygen/artifact_catalog.dox b/bindings/java/doxygen/artifact_catalog.dox
index 945f94ac40b9055e2b61549b8076e28102200050..e2c1483f7b0c0ddcb5d754c17310eb1fe60bb8c0 100644
--- a/bindings/java/doxygen/artifact_catalog.dox
+++ b/bindings/java/doxygen/artifact_catalog.dox
@@ -195,13 +195,12 @@ Details about a device data source.
 ## TSK_EMAIL_MSG
 An email message found in an application file or database.
 
-### REQUIRED ATTRIBUTES
+### OPTIONAL ATTRIBUTES
 - At least one of:
 -  TSK_EMAIL_CONTENT_HTML (Representation of email as HTML)
 -  TSK_EMAIL_CONTENT_PLAIN (Representation of email as plain text)
 -  TSK_EMAIL_CONTENT_RTF (Representation of email as RTF)
 
-### OPTIONAL ATTRIBUTES
 - TSK_DATETIME_RCVD (When email message was received, in seconds since 1970-01-01T00:00:00Z)
 - TSK_DATETIME_SENT (When email message was sent, in seconds since 1970-01-01T00:00:00Z)
 - TSK_EMAIL_BCC (BCC'd recipient, multiple recipients should be in a comma separated string)