Fix disclaimer and update app/readme (#80)

Author: DanWahlin

README.md

@@ -33,8 +33,10 @@ Dive into an immersive learning experience powered by Generative AI:
 - **Epic Time-Travel Stories**.
 Dive into a fun tale, chatting with icons like Leonardo da Vinci, Ada Lovelace, or Montezuma in every lesson.
 
-- **Companion App**. Interact with historical figures (Powered by generative AI [See Responsible AI disclaimer](#responsible-ai-disclaimer)
-  ![Interact with History through conversation](./docs/images/character-chat.png)  
+- **Companion App**. Interact with historical figures using Generative AI technologies ([see our Responsible AI disclaimer](#responsible-ai-disclaimer)).
+
+  ![Interact with History through conversation](./docs/images/character-chat.png) 
+
   Check the [_app_](./app/) directory to run the [app locally](./docs/setup/README.md#option-2--running-the-app-locally) or use [GitHub Codespaces](./docs/setup/README.md) to run it online.
 
 - **Accessibility FTW**. Read it, hear it—audio tags bring it to life.

app/README.md

@@ -2,24 +2,24 @@ This app allows you to speak to all character features in the curriculum.
 
 ## Installation
 
-1. Start a GitHub Codespaces
-1. Run `npm install`
-1. Run `npm start`
-1. Open `http://localhost:3000`
+1. Start a [![GitHub Codespace](https://img.shields.io/badge/GitHub-Codespace-brightgreen)](https://codespaces.new/microsoft/generative-ai-with-javascript)
+2. Navigate to _/app_ in the repo root.
+3. Locate the console and run `npm install` followed by `npm start`. 
+4. Once it appears, select the "Open in Browser" button. 
 
 You should see something like:
 
 ![Chat app](../docs/images/character-chat.png)
 
-## Speak to a character
+## Interact with a character
 
-You're faced with a text input field. Type your message and see the response from the character you are speaking to.
+You're faced with a text input field. Type your message and see the response from the character you are chatting with.
 
-## Change character
+## Change the character
 
-Select the dropdown to change the character you are speaking to.
+Select the character image to change the character you are speaking to.
 
-## Change the character behavior
+## Change the character's behavior
 
 In `characters.json`, there's a `description` property that will be used as a system message. If you change this, the characters personality will change.
 

lessons/01-intro-to-genai/README.md

@@ -162,7 +162,7 @@ _Time device, “George” the metallic beetle_
 If you want to interact with Dinocrates, run the [Characters](/app/README.md) app. 
 
 > [!IMPORTANT]
-> This all make believe, responses are generated by an AI.
+> This is entirely fictional; the responses are generated by AI.
 > [Responsible AI disclaimer](../../README.md#responsible-ai-disclaimer)
 
 <div>

lessons/02-first-ai-app/README.md

@@ -121,7 +121,7 @@ Leonardo da Vinci, asking you to help him with a project—you can hardly believ
 If you want to interact with Leonardo, run the [Characters](/app/README.md) app. 
 
 > [!IMPORTANT]
-> This all make believe, responses are generated by an AI.
+> This is entirely fictional; the responses are generated by AI.
 > [Responsible AI disclaimer](../../README.md#responsible-ai-disclaimer)
 
 <div>

lessons/03-prompt-engineering/README.md

@@ -113,7 +113,7 @@ You look out over the city; the ancient buildings stretch out below you.
 If you want to interact with Sforza, run the [Characters](/app/README.md) app. 
 
 > [!IMPORTANT]
-> This all make believe, responses are generated by an AI.
+> This is entirely fictional; the responses are generated by AI.
 > [Responsible AI disclaimer](../../README.md#responsible-ai-disclaimer)
 
 <div >

lessons/04-structured-output/README.md

@@ -125,7 +125,7 @@ _Patolli - Wikipedia_
 If you want to interact with Montezuma, run the [Characters](/app/README.md) app. 
 
 > [!IMPORTANT]
-> This all make believe, responses are generated by an AI.
+> This is entirely fictional; the responses are generated by AI.
 > [Responsible AI disclaimer](../../README.md#responsible-ai-disclaimer)
 
 <div>

lessons/05-rag/README.md

@@ -81,7 +81,7 @@ Leonardo nodded, "Sì, it has been acting strangely."
 If you want to interact with Ada, run the [Characters](/app/README.md) app. 
 
 > [!IMPORTANT]
-> This all make believe, responses are generated by an AI.
+> This is entirely fictional; the responses are generated by AI.
 > [Responsible AI disclaimer](../../README.md#responsible-ai-disclaimer)
 
 <div>