1 files changed, 2 insertions, 1 deletions

diff --git a/src/include/gnunet_revocation_service.h b/src/include/gnunet_revocation_service.h
index 1df44b066..7758ec97e 100644
--- a/src/include/gnunet_revocation_service.h
+++ b/src/include/gnunet_revocation_service.h
@@ -54,7 +54,8 @@ struct GNUNET_REVOCATION_Query;
  *
  * @param cls closure
  * @param is_valid #GNUNET_NO of the key is/was revoked, 
- *                 #GNUNET_YES if the key is still valid
+ *                 #GNUNET_YES if the key is still valid,
+ *                 #GNUNET_SYSERR if we had trouble querying the service
  *
  */
 typedef void (*GNUNET_REVOCATION_Callback) (void *cls,