diff --git a/narwhals/series.py b/narwhals/series.py
index d80564d22..0b1645ea7 100644
--- a/narwhals/series.py
+++ b/narwhals/series.py
@@ -783,12 +783,9 @@ def drop_nulls(self) -> Self:
         """
         Drop all null values.
 
-        See Also:
-          drop_nans
-
         Notes:
-          A null value is not the same as a NaN value.
-          To drop NaN values, use :func:`drop_nans`.
+          pandas and Polars handle null values differently. Polars distinguishes
+          between NaN and Null, whereas pandas doesn't.
 
         Examples:
           >>> import pandas as pd