Update 'manifest.yaml'

manifest.yaml

@@ -1,11 +1,11 @@
 dublin_core:
   conformsto: 'rc0.2'
-  contributor:
+  contributor: []
   creator: 'BCS'
   description: 'Open-licensed exegetical notes that provide historical, cultural, and linguistic information for translators. It provides translators and checkers with pertinent, just-in-time information to help them make the best possible translation decisions.'
   format: 'text/tsv'
   identifier: 'tn'
-  issued: ''
+  issued: '2021-06-01'
   language:
     direction: 'ltr'
     identifier: 'kn'