diff --git a/source/_repos.html.slim b/source/_repos.html.slim
index 31cc5a967..99ce88dd4 100644
--- a/source/_repos.html.slim
+++ b/source/_repos.html.slim
@@ -14,3 +14,11 @@ ul
     | For bugs with rspec-expectations: 
     = link_to 'https://github.com/rspec/rspec-expectations', 'https://github.com/rspec/rspec-expectations'
     |  (matchers)
+  li
+    | For bugs with rspec-support: 
+    = link_to 'https://github.com/rspec/rspec-support', 'https://github.com/rspec/rspec-support'
+    |  (string encoding, failed expectation diffing, Ruby feature detection, etc)
+  li
+    | For bugs with rspec-dev: 
+    = link_to 'https://github.com/rspec/rspec-dev', 'https://github.com/rspec/rspec-dev'
+    |  (tools for developing rspec)
diff --git a/source/contributing.html.slim b/source/contributing.html.slim
index 9d270c2f1..b030e18ed 100644
--- a/source/contributing.html.slim
+++ b/source/contributing.html.slim
@@ -8,4 +8,10 @@ section
     p
       | If you have an idea to improve RSpec or find a bug, you are encouraged
         to file a pull request or issue with the appropriate repository on GitHub.
+    p
+      | See 
+      = link_to 'rspec-dev', 'https://github.com/rspec/rspec-dev'
+      |  for how to develop on and test RSpec, as well as any 
+      = link_to 'DEV-README.md', '(https://github.com/rspec/rspec-core/blob/master/DEV-README.md'
+      |  that may be in that repository.
       = partial "repos"