fix: Replace em dashes with colons/commas

README.md

@@ -23,7 +23,7 @@ tags:
 
 # 🏞 AI Video Composer - FFMPEG in Plain English
 
-Describe what you want in plain English — "create a slideshow from these images with background music" or "add a waveform visualization to this audio" — and AI generates the exact FFMPEG command to make it happen.
+Describe what you want in plain English, like "create a slideshow from these images with background music" or "add a waveform visualization to this audio", and AI generates the exact FFMPEG command to make it happen.
 
 ## How It Works
 

app.py

@@ -579,7 +579,7 @@ mcp_interface = gr.Interface(
 with gr.Blocks() as demo:
     gr.Markdown(
         """
-            # 🏞 AI Video Composer — FFMPEG in Plain English
+            # 🏞 AI Video Composer: FFMPEG in Plain English
             Describe what you want and AI generates the FFMPEG command. Create slideshows, add music, merge clips, visualize audio waveforms, and more.
         """,
         elem_id="header",