typo update

app.py

@@ -142,7 +142,7 @@ with gr.Blocks() as demo:
 
     with gr.Tab("1. Text Generation"):
         with gr.Accordion("Context"):
-                test_case_context = gr.Textbox(label='Functional Usecase', 
+                test_case_context = gr.Textbox(label='Prompt Context', 
                     open=False, 
                     value='[{"role": "system", "content": "You are a technical and a professional QA manager, working in a technological firm. You provide test cases for a scenario. "}]')
         with gr.Row():
@@ -154,7 +154,7 @@ with gr.Blocks() as demo:
 
     with gr.Tab("2. Test Script Generation"):
         with gr.Accordion("Context"):
-                test_script_context = gr.Textbox(label='Functional Usecase', 
+                test_script_context = gr.Textbox(label='Prompt Context', 
                     open=False, 
                     value='[{"role": "system", "content": "You are a technical and a professional QA manager who specializes in Python Unittest, working in a technological firm. You should provide Python Unittest test scripts in for the test case provided"}]')
         with gr.Row():