Fix grammar (#33116)

oefe · web-flow · commit d82eec030f2a · 2020-03-29T11:29:29.000-04:00
diff --git a/doc/source/getting_started/intro_tutorials/10_text_data.rst b/doc/source/getting_started/intro_tutorials/10_text_data.rst
@@ -238,7 +238,7 @@ a ``dictionary`` to define the mapping ``{from : to}``.
     </ul>
 
 .. warning::
-    There is also a :meth:`~Series.str.replace` methods available to replace a
+    There is also a :meth:`~Series.str.replace` method available to replace a
     specific set of characters. However, when having a mapping of multiple
     values, this would become:
 
