Fix typo in server.rst
@@ -52,7 +52,7 @@ this.
When the controls are manipulated, their new values are automatically
synced in the Bokeh server. Callbacks are triggered that also update the
-date for the plot in the server. These changes are automatically synced back
+data for the plot in the server. These changes are automatically synced back
to the browser, and the plot updates.
.. _userguide_server_use_case:
