diff --git a/openmc/cell.py b/openmc/cell.py
index 0af6ea2b451..998640930ad 100644
--- a/openmc/cell.py
+++ b/openmc/cell.py
@@ -722,7 +722,7 @@ def from_xml_element(cls, elem, surfaces, materials, get_universe):
             Dictionary mapping surface IDs to :class:`openmc.Surface` instances
         materials : dict
             Dictionary mapping material ID strings to :class:`openmc.Material`
-            instances (defined in :math:`openmc.Geometry.from_xml`)
+            instances (defined in :meth:`openmc.Geometry.from_xml`)
         get_universe : function
             Function returning universe (defined in
             :meth:`openmc.Geometry.from_xml`)