watir-webdriver.gemspec in watir-webdriver-0.9.3 vs watir-webdriver.gemspec in watir-webdriver-0.9.9

@@ -10,9 +10,15 @@
   s.email       = ["[e-mail]"]
   s.homepage    = "http://github.com/watir/watir-webdriver"
   s.summary     = %q{Watir on WebDriver}
   s.description = %q{WebDriver-backed Watir}
   s.license     = 'MIT'
+  s.post_install_message = <<-POST_INSTALL_MESSAGE
+
+With the release of Watir 6.0, the watir-webdriver gem has changed its name
+to watir. Update your dependencies to use "watir", "~> 6.0"
+
+  POST_INSTALL_MESSAGE
 
   s.rubyforge_project = "watir-webdriver"
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")