Change error messages.

1 files changed, 1 insertions, 1 deletions

diff --git a/Library/Homebrew/cask/lib/hbc/audit.rb b/Library/Homebrew/cask/lib/hbc/audit.rb
index 6569da126..cee1fe807 100644
--- a/Library/Homebrew/cask/lib/hbc/audit.rb
+++ b/Library/Homebrew/cask/lib/hbc/audit.rb
@@ -75,7 +75,7 @@ module Hbc
       return unless previous_cask.version == cask.version
       return if previous_cask.sha256 == cask.sha256
 
-      add_error "only sha256 changed; needs to be confirmed by the developer"
+      add_error "only sha256 changed (see: https://github.com/caskroom/homebrew-cask/blob/master/doc/cask_language_reference/stanzas/sha256.md)"
     end
 
     def check_version