diff --git a/docs/setup-dev-environment.md b/docs/setup-dev-environment.md
index 6db2a502..3ffd79a3 100644
--- a/docs/setup-dev-environment.md
+++ b/docs/setup-dev-environment.md
@@ -116,6 +116,7 @@ To test the app user's connection to the database, you could run `psql` interact
 ```
 psql -d <colouringlondondb> -U <username> -h localhost
 ```
+<sub>Note: to quit `psql` type `\q` and hit return.</sub>
 
 Create the necessary postgres extensions.