DOC: Fix capitalization among headings in documentation files (#32550) (#32991)

Author: themien

doc/source/getting_started/intro_tutorials/01_table_oriented.rst

@@ -26,7 +26,7 @@ documentation.
         </li>
     </ul>
 
-Pandas data table representation
+pandas data table representation
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. image:: ../../_static/schemas/01_table_dataframe.svg

doc/source/getting_started/tutorials.rst

@@ -3,12 +3,12 @@
 {{ header }}
 
 *******************
-Community Tutorials
+Community tutorials
 *******************
 
 This is a guide to many pandas tutorials by the community, geared mainly for new users.
 
-pandas Cookbook by Julia Evans
+pandas cookbook by Julia Evans
 ------------------------------
 
 The goal of this 2015 cookbook (by `Julia Evans <https://jvns.ca>`_) is to
@@ -18,7 +18,7 @@ entails.
 For the table of contents, see the `pandas-cookbook GitHub
 repository <https://github.com/jvns/pandas-cookbook>`_.
 
-Learn Pandas by Hernan Rojas
+Learn pandas by Hernan Rojas
 ----------------------------
 
 A set of lesson for new pandas users: https://bitbucket.org/hrojas/learn-pandas

doc/source/reference/arrays.rst

@@ -3,7 +3,7 @@
 .. _api.arrays:
 
 =============
-Pandas arrays
+pandas arrays
 =============
 
 .. currentmodule:: pandas

doc/source/reference/window.rst

@@ -75,7 +75,7 @@ Exponentially-weighted moving window functions
    EWM.corr
    EWM.cov
 
-Window Indexer
+Window indexer
 --------------
 .. currentmodule:: pandas
 

doc/source/user_guide/boolean.rst

@@ -39,7 +39,7 @@ If you would prefer to keep the ``NA`` values you can manually fill them with ``
 
 .. _boolean.kleene:
 
-Kleene Logical Operations
+Kleene logical operations
 -------------------------
 
 :class:`arrays.BooleanArray` implements `Kleene Logic`_ (sometimes called three-value logic) for