correct rst code is two backticks

ELHoussineT · ELHoussineT · commit 2916bef96f1d · 2022-03-09T11:11:49.000+01:00
diff --git a/doc/source/whatsnew/v1.5.0.rst b/doc/source/whatsnew/v1.5.0.rst
@@ -44,7 +44,7 @@ Other enhancements
 - Implemented a complex-dtype :class:`Index`, passing a complex-dtype array-like to ``pd.Index`` will now retain complex dtype instead of casting to ``object`` (:issue:`45845`)
 - Improved error message in :class:`~pandas.core.window.Rolling` when ``window`` is a frequency and ``NaT`` is in the rolling axis (:issue:`46087`)
 - :class:`Series` and :class:`DataFrame` with ``IntegerDtype`` now supports bitwise operations (:issue:`34463`)
-- `DataFrame.assign` now supports multiple conditions assign statement (:issue:`46285`)
+- ``DataFrame.assign`` now supports multiple conditions assign statement (:issue:`46285`)
 -
 
 .. ---------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ Other enhancements`
`44`	`44`	- Implemented a complex-dtype :class:`Index`, passing a complex-dtype array-like to ``pd.Index`` will now retain complex dtype instead of casting to ``object`` (:issue:`45845`)
`45`	`45`	- Improved error message in :class:`~pandas.core.window.Rolling` when ``window`` is a frequency and ``NaT`` is in the rolling axis (:issue:`46087`)
`46`	`46`	- :class:`Series` and :class:`DataFrame` with ``IntegerDtype`` now supports bitwise operations (:issue:`34463`)
`47`		-- `DataFrame.assign` now supports multiple conditions assign statement (:issue:`46285`)
	`47`	+- ``DataFrame.assign`` now supports multiple conditions assign statement (:issue:`46285`)
`48`	`48`	`-`
`49`	`49`
`50`	`50`	`.. ---------------------------------------------------------------------------`