fix typo in README.md

Author: patx

README.md

@@ -31,7 +31,7 @@ pip install micropie[standard]
 ```
 This will install MicroPie along with `jinja2` for template rendering, and `multipart`/`aiofiles` for parsing multipart form data.
 
-If you would like to install **all** optional dependencies (everything from `standard` plus `orjson` and `uvicorn` you can run:
+If you would like to install **all** optional dependencies (everything from `standard` plus `orjson` and `uvicorn`) you can run:
 ```bash
 pip install micropie[all]
 ```