diff --git a/esmf_regrid/experimental/io.py b/esmf_regrid/experimental/io.py
index 2e1f7b0d..b43a6619 100644
--- a/esmf_regrid/experimental/io.py
+++ b/esmf_regrid/experimental/io.py
@@ -288,7 +288,8 @@ def load_regridder(filename):
 
     Returns
     -------
-    :class:`~esmf_regrid.schemes._ESMFRegridder`    """
+    :class:`~esmf_regrid.schemes._ESMFRegridder`
+    """
     with _load_context():
         cubes = iris.load(filename)