Fix doc
diff --git a/docs/source/panel.rst b/docs/source/panel.rst
index b98af37b7..bbb938d72 100644
--- a/docs/source/panel.rst
+++ b/docs/source/panel.rst
@@ -9,7 +9,7 @@ To draw a border around any content, construct a :class:`~rich.panel.Panel` with
 
 You can change the style of the panel by setting the ``box`` argument to the Panel constructor. See :ref:`appendix_box` for a list of available box styles.
 
-Panels will extend to the full width of the terminal. You can make panel *fit* the content why setting ``fit=True`` on the constructor, or by creating the Panel with :meth:`~rich.panel.Panel.fit`. For example::
+Panels will extend to the full width of the terminal. You can make panel *fit* the content by setting ``expand=False`` on the constructor, or by creating the Panel with :meth:`~rich.panel.Panel.fit`. For example::
 
     from rich import print
     from rich.panel import Panel
@@ -21,4 +21,4 @@ The Panel constructor accepts a ``title`` argument which will draw a title withi
     from rich.panel import Panel
     print(Panel("Hello, [red]World!", title="Welcome"))
 
-See :class:`~rich.panel.Panel` for details how to customize Panels.
\ No newline at end of file
+See :class:`~rich.panel.Panel` for details how to customize Panels.

## Type of changes

- [ ] Bug fix
- [ ] New feature
- [x] Documentation / docstrings
- [ ] Tests
- [ ] Other

## Checklist

- [ ] I've run the latest [black](https://github.com/ambv/black) with default args on new code.
- [ ] I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate.
- [ ] I've added tests for new code.
- [ ] I accept that @willmcgugan may be pedantic in the code review.

## Description

Fix #197 
