diff --git a/cmake/Modules/FindGSSAPI.cmake b/cmake/Modules/FindGSSAPI.cmake
index a6e1fc1b..8520d35d 100644
--- a/cmake/Modules/FindGSSAPI.cmake
+++ b/cmake/Modules/FindGSSAPI.cmake
@@ -5,6 +5,8 @@
 #  GSSAPI_ROOT_DIR - Set this variable to the root installation of GSSAPI
 #
 # Read-Only variables:
+#  GSSAPI_FLAVOR_MIT - set to TURE if MIT Kerberos has been found
+#  GSSAPI_FLAVOR_HEIMDAL - set to TRUE if Heimdal Keberos has been found
 #  GSSAPI_FOUND - system has GSSAPI
 #  GSSAPI_INCLUDE_DIR - the GSSAPI include directory
 #  GSSAPI_LIBRARIES - Link these to use GSSAPI