Set the certification process to self paced

app.py

@@ -410,8 +410,10 @@ with gr.Blocks() as demo:
     # Get your Deep Reinforcement Learning Certificate 🎓
     The certification process is completely free:
 
-    - To get a *certificate of completion*: you need to **pass 80% of the assignments before September 30th 2023**.
-    - To get a *certificate of honors*: you need to **pass 100% of the assignments before  September 30th 2023**.
+    - To get a *certificate of completion*: you need to **pass 80% of the assignments**.
+    - To get a *certificate of honors*: you need to **pass 100% of the assignments**.
+
+    There's **no deadlines, the course is self-paced**.
 
     For more information about the certification process [check this](https://huggingface.co/deep-rl-course/communication/certification)