diff --git a/ErwinJr2/ErwinJr.py b/ErwinJr2/ErwinJr.py
index d4a5dc1..1efda98 100755
--- a/ErwinJr2/ErwinJr.py
+++ b/ErwinJr2/ErwinJr.py
@@ -557,7 +557,8 @@ def on_tutorial(self):
         if os.path.exists(path):
             QDesktopServices.openUrl(QUrl("file://" + os.path.abspath(path)))
         else:
-            QDesktopServices.openUrl(QUrl("https://erwinjr2.readthedocs.io/"))
+            QDesktopServices.openUrl(
+                QUrl("https://erwinjr2.readthedocs.io/en/stable/"))
 
 
 def main(fileName=None):
diff --git a/setup.py b/setup.py
index 2a6db5c..1f5bcb0 100644
--- a/setup.py
+++ b/setup.py
@@ -82,7 +82,7 @@ def run(self):
 
 setup(
     name='ErwinJr2',
-    version='2.2.0',
+    version='2.2.1',
     author='Ming Lyu',
     author_email='minglyu@princeton.edu',
     license="GPL-3.0",