diff --git a/cloud-translations-bukkit/src/main/resources/org/incendo/cloud/bukkit/lang/messages.properties b/cloud-translations-bukkit/src/main/resources/org/incendo/cloud/bukkit/lang/messages.properties
index 118934f..9a39258 100644
--- a/cloud-translations-bukkit/src/main/resources/org/incendo/cloud/bukkit/lang/messages.properties
+++ b/cloud-translations-bukkit/src/main/resources/org/incendo/cloud/bukkit/lang/messages.properties
@@ -9,3 +9,4 @@ argument.parse.failure.location.mixed_local_absolute=Cannot mix local and absolu
 argument.parse.failure.namespacedkey.namespace=Invalid namespace '<input>'. Must be [a-z0-9._-]
 argument.parse.failure.namespacedkey.key=Invalid key '<input>'. Must be [a-z0-9/._-]
 argument.parse.failure.namespacedkey.need_namespace=Invalid input '<input>', requires an explicit namespace.
+argument.parse.failure.registry_entry.missing=No such entry '<input>' in '<registry>' registry.