diff --git a/cadc-access-control/src/main/java/ca/nrc/cadc/ac/GroupURI.java b/cadc-access-control/src/main/java/ca/nrc/cadc/ac/GroupURI.java
index a0c22191d07a0be36eaa7e40db53f6377e0a0f54..d94f4cd73a0ff36f4c1106a9d658215704e24b07 100644
--- a/cadc-access-control/src/main/java/ca/nrc/cadc/ac/GroupURI.java
+++ b/cadc-access-control/src/main/java/ca/nrc/cadc/ac/GroupURI.java
@@ -89,7 +89,9 @@ public class GroupURI
      * Attempts to create a URI using the specified uri. The is expected
      * to be in the format:
      *
+     * <code>
      * ivo://<authority>/gms?<groupName>
+     * </code>
      *
      * @param uri The URI to use.
      * @throws IllegalArgumentException if the URI scheme is not vos