diff --git a/docs/source/reference/launcher.md b/docs/source/reference/launcher.md
index b8f0d950..51bd461f 100644
--- a/docs/source/reference/launcher.md
+++ b/docs/source/reference/launcher.md
@@ -248,7 +248,7 @@ Options:
   -p, --port <PORT>
           The port to listen on
           
-          [env: PORT=80]
+          [env: PORT=]
           [default: 3000]
 
 ```