diff --git a/guides/rails_guides/generator.rb b/guides/rails_guides/generator.rb
index 4523b6fd04aee..a65e6f1cefce8 100644
--- a/guides/rails_guides/generator.rb
+++ b/guides/rails_guides/generator.rb
@@ -189,7 +189,7 @@ def extract_anchors(html)
         anchors = Set.new
         html.scan(/<h\d\s+id="([^"]+)/).flatten.each do |anchor|
           if anchors.member?(anchor)
-            puts "*** DUPLICATE ID: #{anchor}, please make sure that there're no headings with the same name at the same level."
+            puts "*** DUPLICATE ID: #{anchor}, please make sure that there are no headings with the same name at the same level."
           else
             anchors << anchor
           end