add required description attribute for interface display

diff --git a/base/lib/Text/Tradition/Collation/RelationshipType.pm b/base/lib/Text/Tradition/Collation/RelationshipType.pm
index 5320ebe..64a9724 100644 (file)
--- a/base/lib/Text/Tradition/Collation/RelationshipType.pm
+++ b/base/lib/Text/Tradition/Collation/RelationshipType.pm
@@ -82,6 +82,12 @@ has 'bindlevel' => (
        required => 1
        );
        
+has 'description' => (
+       is => 'ro',
+       isa => 'Str',
+       required => 1
+       );
+       
 has 'is_weak' => (
        is => 'ro',
        isa => 'Bool',