Update pandas/core/series.py

Co-Authored-By: Joris Van den Bossche <jorisvandenbossche@gmail.com>

Author: thiviyanT

pandas/core/series.py

@@ -438,7 +438,7 @@ def ftypes(self):
         .. deprecated:: 0.25.0
            Use :func:`dtypes` instead.
         """
-        warnings.warn("ftypes is deprecated and will "
+        warnings.warn("Series.ftypes is deprecated and will "
                       "be removed in a future version. "
                       "Use Series.dtype instead.",
                       FutureWarning, stacklevel=2)