diff --git a/Library/Homebrew/deprecate_disable.rb b/Library/Homebrew/deprecate_disable.rb
index f815f3fa5b..bcdb501a11 100644
--- a/Library/Homebrew/deprecate_disable.rb
+++ b/Library/Homebrew/deprecate_disable.rb
@@ -16,6 +16,10 @@ module DeprecateDisable
     unsupported:         "is not supported upstream",
     deprecated_upstream: "is deprecated upstream",
     versioned_formula:   "is a versioned formula",
+    checksum_mismatch:   "was built with an initially released source file that had "\
+                         "a different checksum than the current one. " \
+                         "Upstream's repository might have been compromised. " \
+                         "We can re-package this once upstream has confirmed that they retagged their release",
   }.freeze
 
   def deprecate_disable_info(formula)