diff --git a/docs/configuration/application.md b/docs/configuration/application.md
index 9112782cb..af7acc5dd 100644
--- a/docs/configuration/application.md
+++ b/docs/configuration/application.md
@@ -49,7 +49,7 @@ Defaults to connection string provided in `process.env.MONGO_URL`.
 
 A number representing the port the application server should listen on.
 
-Defaults to `3000`.
+Defaults to `process.env.PORT`, else `3000`.
 
 ## `name`