Add whatsnew entry

Author: abmyii

doc/source/whatsnew/v1.5.0.rst

@@ -353,6 +353,7 @@ I/O
 - Bug in :func:`read_csv` not recognizing line break for ``on_bad_lines="warn"`` for ``engine="c"`` (:issue:`41710`)
 - Bug in :func:`read_parquet` when ``engine="pyarrow"`` which caused partial write to disk when column of unsupported datatype was passed (:issue:`44914`)
 - Bug in :func:`DataFrame.to_excel` and :class:`ExcelWriter` would raise when writing an empty DataFrame to a ``.ods`` file (:issue:`45793`)
+- Bug in :func:`read_html` where elements surrounding were joined without a space between them (:issue:`29528`)
 
 Period
 ^^^^^^