update header

app.py

@@ -118,7 +118,7 @@ class App:
             <p style="font-size: 18px;">
                 <strong>Note</strong>: This space only allows video input up to <strong>3 seconds</strong> because ZeroGPU limits the function runtime to 2 minutes. <br>
                 If you want longer video inputs, you have to run it locally. Click the link above and follow the README to try it locally.<br><br>
-                When you have completed the **Step1: Pose Alignment** process, go to **Step2: MusePose Inference** and click the "GENERATE" button.
+                When you have completed the <strong>Step1: Pose Alignment</strong> process, go to <strong>Step2: MusePose Inference</strong> and click the "GENERATE" button.
             </p>
             """
         )