fix readme and env var

Author: howieleung

README.md

@@ -16,8 +16,8 @@ Instructions are provided for deployment through GitHub Codespaces, VS Code Dev
 
 ## Quick Deploy
 
-| [![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/Azure-Samples/get-started-with-ai-agents) | [![Open in Dev Containers](https://img.shields.io/static/v1?style=for-the-badge&label=Dev%20Containers&message=Open&color=blue&logo=visualstudiocode)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/Azure-Samples/get-started-with-ai-agents) | [![Deploy to Azure](https://aka.ms/deploytoazurebutton)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure-Samples%2Fget-started-with-ai-agents%2Frefs%2Fheads%2Fmain%2Finfra%2Fmain.json) |
-|---|---|---|
+| [![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/Azure-Samples/get-started-with-ai-agents) | [![Open in Dev Containers](https://img.shields.io/static/v1?style=for-the-badge&label=Dev%20Containers&message=Open&color=blue&logo=visualstudiocode)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/Azure-Samples/get-started-with-ai-agents) | 
+|---|---|
 
 Github Codespaces and Dev Containers both allow you to download and deploy the code for development. Deploy to Azure will create the resources for later deployment. Detailed instructions for options to deploy this solution can be found in [deployment](#deployment).   
 
@@ -205,7 +205,7 @@ You can optionally use a local development server to test app changes locally. M
 
 4. Duplicate `src/.env.sample` and name to `.env`.
 
-5. Fill in the environamnet in `.env`.
+5. Fill in the environamnet variables in `.env`.
 
 6. Run the local server:
 

src/.env.sample

@@ -6,7 +6,6 @@ AZURE_AI_AGENT_DEPLOYMENT_NAME="" # required.  Example: "gpt-4o-mini"
 AZURE_AI_AGENT_NAME="" # required if AZURE_AI_AGENT_ID not specified.  Example: "agent-template-assistant"
 AZURE_AI_EMBED_DEPLOYMENT_NAME="" # required for index search.  Example: "text-embedding-3-small"
 AZURE_AI_EMBED_DIMENSIONS=100 # required for index search.  Example: 100
-AZURE_AI_SEARCH_CONNECTION_NAME="" # required for index search. Example: "my_search_connection"
 AZURE_AI_SEARCH_ENDPOINT="" # required for index search.  Example: "https://my-search-service.search.windows.net"
 AZURE_AI_SEARCH_INDEX_NAME="" # required for index search.  Example: "index_sample"