diff --git a/config/database.yml.tmpl b/config/database.yml.tmpl
index 56233f39..b681edf2 100644
--- a/config/database.yml.tmpl
+++ b/config/database.yml.tmpl
@@ -9,6 +9,7 @@ development:
   password:
 
 production:
+  # Set this to 'postgresql' if using PostgreSQL.
   adapter: mysql2
   database: tracks
   # set this if you are storing utf8 in your mysql database to handle strings