Update app.py

app.py

@@ -165,7 +165,7 @@ with gr.Blocks() as demo:
     gr.Markdown("# ArcanaUI v0.8")
     with gr.Tabs():
         with gr.TabItem("Welcome Page"):
-            with open('Introduction.txt',mode='r') as file:
+            with open('introduction.txt',mode='r') as file:
                 intro_content = file.read()
             gr.Markdown(intro_content)