Update docs/eso/eso.rst
Fixed typo.
@@ -256,7 +256,7 @@ In this section, we show how to obtain these processed survey data from the arch
Identify available surveys
--------------------------
-The list of available suveys can be obtained with :meth:`astroquery.eso.EsoClass.list_surveys` as follows:
+The list of available surveys can be obtained with :meth:`astroquery.eso.EsoClass.list_surveys` as follows:
.. code-block:: python
