Update README.md

Author: lmangani

README.md

@@ -24,11 +24,11 @@ Serverless bot running SQL queries using [chDB](https://chdb.io) [public servers
    4. Create a space app: `$space new`
    5. Push the space app: `$space push`
 2. Enter the environment variables (Space App Settings ➔ Configuration).<br>
-    <img src="https://github.com/lmangani/chdb-discord-bot/assets/1423657/3c43aba8-1e8a-4b1c-91e4-241a1ff5ba17" width=600 >
+    <img src="https://github.com/lmangani/chdb-discord-bot/assets/1423657/3c43aba8-1e8a-4b1c-91e4-241a1ff5ba17" width=500 >
     - `DISCORD_APPLICATION_ID` - Your discord app's ID.
     - `DISCORD_PUBLIC_KEY` - Your discord app's public key.
     - `DISCORD_BOT_TOKEN` - Your bot's token.
-    - 'CHDB_API'- Your ClickHouse HTTP/S API _(optional)_
+    - `CHDB_API` - Your ClickHouse HTTP/S API _(optional)_
     - _Other environment variables are optional._
 4. Set `Interactions Endpoint URL` to `<micro_url>/bot/interactions`.
     - This is located in: `https://discord.com/developers/applications/{application_id}/information`