diff --git a/user/customizing-the-build.md b/user/customizing-the-build.md
index 6e132100084..521bd0e2098 100644
--- a/user/customizing-the-build.md
+++ b/user/customizing-the-build.md
@@ -393,7 +393,7 @@ rvm:
   - 2.2
   - ruby-head
   - jruby
-  - rbx-2
+  - rbx-3
   - ree
 gemfile:
   - gemfiles/Gemfile.rails-2.3.x
diff --git a/user/environment-variables.md b/user/environment-variables.md
index 02724bc3b4b..c1f568ceda3 100644
--- a/user/environment-variables.md
+++ b/user/environment-variables.md
@@ -45,7 +45,7 @@ When you define multiple variables per line in the `env` array (matrix variables
 ```yaml
 rvm:
   - 1.9.3
-  - rbx
+  - rbx-3
 env:
   - FOO=foo BAR=bar
   - FOO=bar BAR=foo
@@ -56,8 +56,8 @@ this configuration triggers **4 individual builds**:
 
 1. Ruby 1.9.3 with `FOO=foo` and `BAR=bar`
 2. Ruby 1.9.3 with `FOO=bar` and `BAR=foo`
-3. Rubinius latest version (rbx) with `FOO=foo` and `BAR=bar`
-4. Rubinius latest version (rbx) with `FOO=bar` and `BAR=foo`
+3. Rubinius latest version (rbx-3) with `FOO=foo` and `BAR=bar`
+4. Rubinius latest version (rbx-3) with `FOO=bar` and `BAR=foo`
 
 ### Global Variables
 
diff --git a/user/getting-started.md b/user/getting-started.md
index 6d4d16fad1e..4b645aed529 100644
--- a/user/getting-started.md
+++ b/user/getting-started.md
@@ -43,7 +43,7 @@ To start using Travis CI, make sure you have *all* of the following:
    rvm:
     - 2.2
     - jruby
-    - rbx-2
+    - rbx-3
    ```
    {: data-file=".travis.yml"}
 
diff --git a/user/languages/ruby.md b/user/languages/ruby.md
index 59ecac9cdff..8d0ccc3fc32 100644
--- a/user/languages/ruby.md
+++ b/user/languages/ruby.md
@@ -70,15 +70,15 @@ one is available.
 <!-- distro exception -->
 
 If you're using OS X or Trusty environments, you can also use
-[Rubinius](http://rubini.us). To test with Rubinius, add `rbx-X.Y.Z` to your
-`.travis.yml`, where X.Y.Z specifies a Rubinius release listed on
+[Rubinius](http://rubini.us). To test with Rubinius, add `rbx-X` or `rbx-X.Y.Z`
+to your `.travis.yml`, where X.Y.Z specifies a Rubinius release listed on
 [http://rubies.travis-ci.org/rubinius](http://rubies.travis-ci.org/rubinius) .
 
 ```yaml
 language: ruby
 dist: trusty
 rvm:
-  - rbx-3.69
+  - rbx-3
 ```
 {: data-file=".travis.yml"}