correct error

app.py

@@ -316,8 +316,8 @@ def main():
             <span style="font-size: 16px">
                 1. After generating and editing, it takes some time to display the 3D model. Please wait for a while. <br>
                 2. The original Shap-E is not good at compositional generation. Using prompts contain one object can usually get good results. Please see the <a href="https://arxiv.org/abs/2305.02463" target="_blank">original paper</a> for more details. <br>
-                2. The processing time in the demo including the time of preprocessing, model loading and extracting the mesh, making it slower then reported. Besides, the demo is currently running on A10 which is slower than the tested A6000 GPU. <br>
-                3. If you don't get satisfying generating/editing results, please try to change the random seed in Advanced Options.
+                3. The processing time in the demo including the time of preprocessing, model loading and extracting the mesh, making it slower then reported. Besides, the demo is currently running on A10 which is slower than the tested A6000 GPU. <br>
+                4. If you don't get satisfying generating/editing results, please try to change the random seed in Advanced Options.
             </span>
         """
         gr.HTML(shap_editor_hint)