diff --git a/perl/README.md b/perl/README.md
index 9d8c5bf4f..b2b57676c 100644
--- a/perl/README.md
+++ b/perl/README.md
@@ -27,10 +27,10 @@ For many single file projects, it may not be convenient to write a `Dockerfile`
 
 ## Issues
 
-If you have any questions about the image, please contact us through a [GitHub issue](https://github.com/Perl/docker-perl/issues) or in the IRC channel `#docker-library` on [Freenode](https://freenode.net).
+If you have any questions about the image, please contact us through a [GitHub issue](https://github.com/docker-library/perl/issues) or in the IRC channel `#docker-library` on [Freenode](https://freenode.net).
 
 ## Contributing
 
 If you want to contribute new features or updates, we are always thrilled to receive pull requests, and do our best to process them as fast as possible.
 
-We recommend discussing your plans through a [GitHub issue](https://github.com/Perl/docker-perl/issues) before starting to code - especially for more ambitious contributions. This gives other contributors a chance to point you in the right direction, give feedback on your design, and maybe point out if someone else is working on the same thing.
+We recommend discussing your plans through a [GitHub issue](https://github.com/docker-library/perl/issues) before starting to code - especially for more ambitious contributions. This gives other contributors a chance to point you in the right direction, give feedback on your design, and maybe point out if someone else is working on the same thing.
diff --git a/ruby/README-content.md b/ruby/README-content.md
index a1eb4057f..a9364bf5d 100644
--- a/ruby/README-content.md
+++ b/ruby/README-content.md
@@ -9,7 +9,7 @@ According to its authors, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, a
 
 ## Create a `Dockerfile` in your ruby app project
 
-    FROM ruby
+    FROM ruby:onbuild
     CMD ["./your-daemon-or-script.rb"]
 
 Put this file in the root of your app, next to the `Gemfile`.
diff --git a/ruby/README.md b/ruby/README.md
index 14ddf1b85..727216e5a 100644
--- a/ruby/README.md
+++ b/ruby/README.md
@@ -9,7 +9,7 @@ According to its authors, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, a
 
 ## Create a `Dockerfile` in your ruby app project
 
-    FROM ruby
+    FROM ruby:onbuild
     CMD ["./your-daemon-or-script.rb"]
 
 Put this file in the root of your app, next to the `Gemfile`.