removed break from welcome.mdx to improve styling

Author: Emily Dominguez

fern/docs/pages/welcome.mdx

@@ -55,7 +55,7 @@ In addition to documentation, Fern can generate SDKs (client libraries) in popul
   ```
   </CodeBlock>
   <CodeBlock title="Python">
-  ```python
+  ```bash
   pip install your-organization
   ```
   </CodeBlock>