DOC: specify that IPython needs to be started with `gui=qt`
@@ -45,7 +45,7 @@ For more information see our [installation tutorial](https://napari.github.io/na
## simple example
-From inside an IPython shell or Jupyter notebook you can open up an interactive viewer by calling
+From inside an IPython shell (started with `ipython --gui=qt`) or Jupyter notebook you can open up an interactive viewer by calling
```python
%gui qt5
