diff --git a/resources/i18n/nl.json5 b/resources/i18n/nl.json5
index b647c0d50d..7662434ba6 100644
--- a/resources/i18n/nl.json5
+++ b/resources/i18n/nl.json5
@@ -32,24 +32,21 @@
   "admin.registries.bitstream-formats.create.success.content": "The new bitstream format was successfully created.",
   
   // "admin.registries.bitstream-formats.create.success.head": "Success",
-  // TODO New key - Add a translation
-  "admin.registries.bitstream-formats.create.success.head": "Success",
+  "admin.registries.bitstream-formats.create.success.head": "Succes",
   
   // "admin.registries.bitstream-formats.delete.failure.amount": "Failed to remove {{ amount }} format(s)",
   // TODO New key - Add a translation
   "admin.registries.bitstream-formats.delete.failure.amount": "Failed to remove {{ amount }} format(s)",
   
   // "admin.registries.bitstream-formats.delete.failure.head": "Failure",
-  // TODO New key - Add a translation
-  "admin.registries.bitstream-formats.delete.failure.head": "Failure",
+  "admin.registries.bitstream-formats.delete.failure.head": "Gefaald",
   
   // "admin.registries.bitstream-formats.delete.success.amount": "Successfully removed {{ amount }} format(s)",
   // TODO New key - Add a translation
   "admin.registries.bitstream-formats.delete.success.amount": "Successfully removed {{ amount }} format(s)",
   
   // "admin.registries.bitstream-formats.delete.success.head": "Success",
-  // TODO New key - Add a translation
-  "admin.registries.bitstream-formats.delete.success.head": "Success",
+  "admin.registries.bitstream-formats.delete.success.head": "Succes",
   
   // "admin.registries.bitstream-formats.description": "This list of bitstream formats provides information about known formats and their support level.",
   "admin.registries.bitstream-formats.description": "Deze lijst van Bitstream formaten biedt informatie over de formaten die in deze repository zijn toegelaten en op welke manier ze ondersteund worden. De term Bitstream wordt in DSpace gebruikt om een bestand aan te duiden dat samen met metadata onderdeel uitmaakt van een item. De naam bitstream duidt op het feit dat het bestand achterliggend wordt opgeslaan zonder bestandsextensie.",
@@ -3087,4 +3084,4 @@
   
   
 
-}
\ No newline at end of file
+}