diff --git a/ruby_on_rails/advanced_forms_and_activerecord/installing_psql.md b/ruby_on_rails/advanced_forms_and_activerecord/installing_psql.md
index 3cce6385450..1d41c8db001 100644
--- a/ruby_on_rails/advanced_forms_and_activerecord/installing_psql.md
+++ b/ruby_on_rails/advanced_forms_and_activerecord/installing_psql.md
@@ -174,7 +174,7 @@ brew update
 brew upgrade
 ~~~~
 
-If your terminal doesn't recognize `brew`, then you'll need to go and install homebrew. You can find it and other installs in the [installation appendix](https://www.theodinproject.com/lessons/installation_lessons).
+If your terminal doesn't recognize `brew`, then you'll need to go and install homebrew. You can find it and other installs in the [installation appendix](https://www.theodinproject.com/guides/installations).
 
 ### Step 2: Install the PostgreSQL packages
 Now that we've ensured our packages are up to date, we will use brew to install PostgreSQL.