fix sphinx-apidoc command on CONTRIBUTING.MD
@@ -63,7 +63,7 @@ If you are changing anything with files and folder structure,
remember to update doctree
```sh
$ cd docs
-$ sphinx-apidoc -f -P -F -o source ../napari
+$ sphinx-apidoc -f -P -o source ../napari
```
Add and commit your changed files:
