diff --git a/setools/constraintquery.py b/setools/constraintquery.py
index b8beb92..2df83e9 100644
--- a/setools/constraintquery.py
+++ b/setools/constraintquery.py
@@ -25,7 +25,7 @@ from .policyrep.constraint import ConstraintUseError
 
 class ConstraintQuery(mixins.MatchObjClass, mixins.MatchPermission, PolicyQuery):
 
-    """Query constraint rules (constraint/mlsconstraint)."""
+    """Query constraint rules, (mls)constrain/(mls)validatetrans."""
 
     def __init__(self, policy,
                  ruletype=[],