diff --git a/atlite/convert.py b/atlite/convert.py
index 217763c4..29fe7731 100644
--- a/atlite/convert.py
+++ b/atlite/convert.py
@@ -931,7 +931,8 @@ def convert_line_rating(
 
 def line_rating(cutout, shapes, line_resistance, **params):
     """
-    Create a dynamic line rating time series based on the IEEE-738 standard
+    Create a dynamic line rating time series based on the IEEE-738 standard.
+
     [1].
 
     The steady-state capacity is derived from the balance between heat
diff --git a/atlite/cutout.py b/atlite/cutout.py
index 40cb3089..c02c6f0d 100644
--- a/atlite/cutout.py
+++ b/atlite/cutout.py
@@ -386,7 +386,9 @@ def prepared_features(self):
         return pd.Series(list(self.data), index, dtype=object)
 
     def grid_coordinates(self):
-        """Array of grid coordinates, deprecated since v0.2.1."""
+        """
+        Array of grid coordinates, deprecated since v0.2.1.
+        """
         warn(
             "The function `grid_coordinates` has been deprecated in favour of "
             "`grid`",
@@ -399,7 +401,9 @@ def grid_coordinates(self):
         return self.grid[["x", "y"]].values
 
     def grid_cells(self):
-        """List of grid cells, deprecated since v0.2.1."""
+        """
+        List of grid cells, deprecated since v0.2.1.
+        """
         warn(
             "The function `grid_cells` has been deprecated in favour of `grid`",
             DeprecationWarning,