diff --git a/Library/Homebrew/rubocops/options_cop.rb b/Library/Homebrew/rubocops/options_cop.rb
index 7818787c4a..400ea807bb 100644
--- a/Library/Homebrew/rubocops/options_cop.rb
+++ b/Library/Homebrew/rubocops/options_cop.rb
@@ -46,8 +46,8 @@ module RuboCop
 
     module NewFormulaAudit
       class Options < FormulaCop
-        DEP_OPTION = "New Formula should not use `deprecated_option`".freeze
-        OPTION = "Formula should not have an `option`".freeze
+        DEP_OPTION = "New formulae should not use `deprecated_option`".freeze
+        OPTION = "Formulae should not have an `option`".freeze
 
         def audit_formula(_node, _class_node, _parent_class_node, body_node)
           return if versioned_formula?
diff --git a/Library/Homebrew/test/rubocops/options_cop_spec.rb b/Library/Homebrew/test/rubocops/options_cop_spec.rb
index d44f044487..de3e2a205a 100644
--- a/Library/Homebrew/test/rubocops/options_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/options_cop_spec.rb
@@ -60,7 +60,7 @@ describe RuboCop::Cop::NewFormulaAudit::Options do
         class Foo < Formula
           url 'http://example.com/foo-1.0.tgz'
           deprecated_option "examples" => "with-examples"
-          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ New Formula should not use `deprecated_option`
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ New formulae should not use `deprecated_option`
         end
       RUBY
     end
@@ -70,7 +70,7 @@ describe RuboCop::Cop::NewFormulaAudit::Options do
         class Foo < Formula
           url 'http://example.com/foo-1.0.tgz'
           option "with-examples"
-          ^^^^^^^^^^^^^^^^^^^^^^ Formula should not have an `option`
+          ^^^^^^^^^^^^^^^^^^^^^^ Formulae should not have an `option`
         end
       RUBY
     end