remove rubyforge.org that was shut down [ci skip]

5 files changed, 11 insertions, 5 deletions

diff --git a/guides/source/2_3_release_notes.md b/guides/source/2_3_release_notes.md
index 2302a618b6..52eeb4c2bc 100644
--- a/guides/source/2_3_release_notes.md
+++ b/guides/source/2_3_release_notes.md
@@ -8,7 +8,7 @@ Rails 2.3 delivers a variety of new and improved features, including pervasive R
 Application Architecture
 ------------------------
 
-There are two major changes in the architecture of Rails applications: complete integration of the [Rack](http://rack.rubyforge.org/) modular web server interface, and renewed support for Rails Engines.
+There are two major changes in the architecture of Rails applications: complete integration of the [Rack](http://rack.github.io/) modular web server interface, and renewed support for Rails Engines.
 
 ### Rack Integration
 
diff --git a/guides/source/3_0_release_notes.md b/guides/source/3_0_release_notes.md
index 2d7c06837b..fbb5690fa9 100644
--- a/guides/source/3_0_release_notes.md
+++ b/guides/source/3_0_release_notes.md
@@ -521,7 +521,7 @@ A large effort was made in Active Support to make it cherry pickable, that is, y
 These are the main changes in Active Support:
 
 * Large clean up of the library removing unused methods throughout.
-* Active Support no longer provides vendored versions of [TZInfo](http://tzinfo.rubyforge.org/), [Memcache Client](http://deveiate.org/projects/RMemCache/) and [Builder](http://builder.rubyforge.org/,) these are all included as dependencies and installed via the `bundle install` command.
+* Active Support no longer provides vendored versions of TZInfo, Memcache Client and Builder these are all included as dependencies and installed via the `bundle install` command.
 * Safe buffers are implemented in `ActiveSupport::SafeBuffer`.
 * Added `Array.uniq_by` and `Array.uniq_by!`.
 * Removed `Array#rand` and backported `Array#sample` from Ruby 1.9.
diff --git a/guides/source/api_documentation_guidelines.md b/guides/source/api_documentation_guidelines.md
index 2a3bb4e34d..0a55e31818 100644
--- a/guides/source/api_documentation_guidelines.md
+++ b/guides/source/api_documentation_guidelines.md
@@ -13,7 +13,13 @@ After reading this guide, you will know:
 RDoc
 ----
 
-The Rails API documentation is generated with RDoc. Please consult the documentation for help with the [markup](http://rdoc.rubyforge.org/RDoc/Markup.html), and also take into account these [additional directives](http://rdoc.rubyforge.org/RDoc/Parser/Ruby.html).
+The [Rails API documentation](http://api.rubyonrails.org) is generated with RDoc.
+
+```bash
+  bundle exec rake rdoc
+```
+
+Resulting HTML files can be found and browsed at ./doc/rdoc directory. Just open index.html file in the browser and you're done.
 
 Wording
 -------
diff --git a/guides/source/rails_on_rack.md b/guides/source/rails_on_rack.md
index 9053f31b8e..01941fa338 100644
--- a/guides/source/rails_on_rack.md
+++ b/guides/source/rails_on_rack.md
@@ -18,7 +18,7 @@ Introduction to Rack
 
 Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between (the so-called middleware) into a single method call.
 
-- [Rack API Documentation](http://rack.rubyforge.org/doc/)
+* [Rack API Documentation](http://rack.github.io/)
 
 Explaining Rack is not really in the scope of this guide. In case you are not familiar with Rack's basics, you should check out the [Resources](#resources) section below.
 
diff --git a/guides/source/security.md b/guides/source/security.md
index 75d8c8e4c8..7e39986f8b 100644
--- a/guides/source/security.md
+++ b/guides/source/security.md
@@ -741,7 +741,7 @@ s = sanitize(user_input, tags: tags, attributes: %w(href title))
 
 This allows only the given tags and does a good job, even against all kinds of tricks and malformed tags.
 
-As a second step, _it is good practice to escape all output of the application_, especially when re-displaying user input, which hasn't been input-filtered (as in the search form example earlier on). _Use `escapeHTML()` (or its alias `h()`) method_ to replace the HTML input characters &, ", <, > by their uninterpreted representations in HTML (`&`, `"`, `&lt`;, and `>`). However, it can easily happen that the programmer forgets to use it, so _it is recommended to use the [SafeErb](http://safe-erb.rubyforge.org/svn/plugins/safe_erb/) plugin_. SafeErb reminds you to escape strings from external sources.
+As a second step, _it is good practice to escape all output of the application_, especially when re-displaying user input, which hasn't been input-filtered (as in the search form example earlier on). _Use `escapeHTML()` (or its alias `h()`) method_ to replace the HTML input characters &, ", <, > by their uninterpreted representations in HTML (`&`, `"`, `&lt`;, and `>`). However, it can easily happen that the programmer forgets to use it, so _it is recommended to use the SafeErb gem. SafeErb reminds you to escape strings from external sources.
 
 ##### Obfuscation and Encoding Injection