Update app.py

app.py

@@ -19,7 +19,7 @@ image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_co
 
 @tool
 def generate_image_tool(prompt: str) -> Image:
-    """Generates an image from text and returns the image .
+    """ Tool for generating an image and displaying on screen.
 
     Args:
         prompt: A description of the image to generate.