Updated Large app how to (markdown)

Large-app-how-to.md

@@ -243,7 +243,7 @@ This decorator is checking that g.user has a value assigned to it, otherwise it
     from app.users.models import User
     from app.users.decorators import requires_login
 
-    mod = Blueprint('user', __name__, url_prefix='/users')
+    mod = Blueprint('users', __name__, url_prefix='/users')
 
     @mod.route('/me/')
     @requires_login