Correct a typo of version number in documentation/user_guide/missing_data about the limit_area keyword argument in interpolate(). The reference can be found at pandas-dev#8000 (comment).

willweil · willweil · commit b93be78e5383 · 2019-02-22T17:28:02.000-05:00
diff --git a/doc/source/user_guide/missing_data.rst b/doc/source/user_guide/missing_data.rst
@@ -335,7 +335,7 @@ examined :ref:`in the API <api.dataframe.missing>`.
 Interpolation
 ~~~~~~~~~~~~~
 
-.. versionadded:: 0.21.0
+.. versionadded:: 0.23.0
 
   The ``limit_area`` keyword argument was added.
 
