Refine summary of prompt in README (#170)

Updated the text summary in the README for clarity.  Removed the name of the whale - fixes #164

Author: davidyack

labs/core-concepts-agent-knowledge-tools/README.md

@@ -466,7 +466,7 @@ Create and configure two tools that extend your agent's capabilities beyond simp
 
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    Analyze this prompt for improvements:
-   Summarize this text: "The novel Moby Dick follows Ishmael, a contemplative sailor who joins the whaling ship Pequod, captained by the obsessive Captain Ahab. Ahab is consumed by a singular goal: to hunt and kill Moby Dick, a massive white whale that previously destroyed his ship and severed his leg. As the voyage progresses, the crew encounters various philosophical, religious, and existential challenges, culminating in a dramatic and tragic confrontation with the whale."
+   Summarize this text: "The novel follows Ishmael, a contemplative sailor who joins the whaling ship Pequod, captained by the obsessive Captain Ahab. Ahab is consumed by a singular goal: to hunt and kill the whale, a massive white whale that previously destroyed his ship and severed his leg. As the voyage progresses, the crew encounters various philosophical, religious, and existential challenges, culminating in a dramatic and tragic confrontation with the whale."
    ```
 1. When asked for the intent input **Summarize the text**.