X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/8d152808d49ad6b1767b26ac10dffb53fb7940fe..0f537bcaa60b8a1496010bc9d4a943484e69081c:/services/api/app/models/repository.rb

diff --git a/services/api/app/models/repository.rb b/services/api/app/models/repository.rb
index e6a0795402..46f2de6ee4 100644
--- a/services/api/app/models/repository.rb
+++ b/services/api/app/models/repository.rb
@@ -92,7 +92,7 @@ class Repository < ArvadosModel
     end
     if not (/^#{prefix_match}[A-Za-z][A-Za-z0-9]*$/.match(name))
       errors.add(:name,
-                 "#{errmsg_start} a letter followed by alphanumerics")
+                 "#{errmsg_start} a letter followed by alphanumerics, expected pattern '#{prefix_match}[A-Za-z][A-Za-z0-9]*' but was '#{name}'")
       false
     end
   end