slightly improve guide

app.py

@@ -159,7 +159,7 @@ with gr.Blocks(
             with gr.Accordion("API Key", open=False):
                 gr.Markdown("""
                     ## Get an API Key
-                    * Create an account on [Invariant Labs](https://explorer.invariantlabs.ai/settings) and log in.
+                    * [Create an account here](https://explorer.invariantlabs.ai/settings) by clicking 'Sign In', and then the GitHub icon.
                     * Click on `Get API Key` to get your Invariant API key.
                     * Paste the API key in the text box above.
                     """
@@ -170,12 +170,12 @@ with gr.Blocks(
             with gr.Accordion("Task Description", open=False):
                 gr.Markdown("""
                     ## Prompt the Santa Agent
-                    The Invariant Santa Agent is tasked with delivering presents to children around the world.
-                    Your job is to provide the system prompt that will guide the Santa Agent to deliver the presents correctly:\n
+                    The Invariant Santa Agent is tasked with delivering presents to children and performing various Santa tasks.
+                    Your job is to provide the system prompt that will guide the Santa Agent to complete its tasks:\n
                     * Change the `System Prompt` to modify the behavior of the Santa Agent.
                     * Click `Submit` to test the Santa Agent with the new system prompt.
                     * Find a system prompt that passes all the tests.
-                    * View your results in the Invariant Explorer by clicking the `Open results` button.
+                    * When the tests are done running, view your results in the Invariant Explorer by clicking `Open results`.
                     * Click `Reset` to start over.
                     """
                 )