Merge pull request rails#22342 from AlexVPopov/patch-1

Fix a typo [ci skip]

Author: seuros

guides/rails_guides/kindle.rb

@@ -27,7 +27,7 @@ def generate(output_dir, mobi_outfile, logfile)
 
       generate_document_metadata(mobi_outfile)
 
-      puts "Creating MOBI document with kindlegen. This make take a while."
+      puts "Creating MOBI document with kindlegen. This may take a while."
       cmd = "kindlerb . > #{File.absolute_path logfile} 2>&1"
       puts cmd
       system(cmd)