Fix changelog

Signed-off-by: sfc-gh-mvashishtha <[email protected]>

Author: sfc-gh-mvashishtha

CHANGELOG.md

@@ -29,7 +29,7 @@
 #### Bug Fixes
 
 - Fixed a bug in `DataFrameGroupBy.agg` where func is a list of tuples used to set the names of the output columns.
-- Fixed a bug where converting a modin datetime series with a timezone to a numpy array with `np.asarray` would cause a `TypeError`.
+- Fixed a bug where converting a modin datetime index with a timezone to a numpy array with `np.asarray` would cause a `TypeError`.
 
 #### Improvements