From 0570393bc471d72eca128ded5edc868f13a87b0a Mon Sep 17 00:00:00 2001
From: Grey Li <withlihui@gmail.com>
Date: Mon, 22 Jan 2018 11:07:37 +0800
Subject: [PATCH] Update cli help for FLASK_ENV

---
 flask/cli.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/flask/cli.py b/flask/cli.py
index 52a4f596..76ca125d 100644
--- a/flask/cli.py
+++ b/flask/cli.py
@@ -731,12 +731,12 @@ A general utility script for Flask applications.
 
 Provides commands from Flask, extensions, and the application. Loads the
 application defined in the FLASK_APP environment variable, or from a wsgi.py
-file. Debug mode can be controlled with the FLASK_DEBUG
-environment variable.
+file. Setting the FLASK_ENV environment variable to 'development' will enable
+debug mode.
 
 \b
   {prefix}{cmd} FLASK_APP=hello.py
-  {prefix}{cmd} FLASK_DEBUG=1
+  {prefix}{cmd} FLASK_ENV=development
   {prefix}flask run
 """.format(
     cmd='export' if os.name == 'posix' else 'set',