Fix whatsnew

Author: howsiwei

doc/source/whatsnew/v1.0.0.rst

@@ -181,7 +181,7 @@ Backwards incompatible API changes
 Assignment to multiple columns of a DataFrame when some columns do not exist
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Assignment to multiple columns of a :class:`DataFrame` when some of the columns do not exist would previously assign the values to the last column. Now, new columns would be constructed withe the right values. (:issue:`13658`)
+Assignment to multiple columns of a :class:`DataFrame` when some of the columns do not exist would previously assign the values to the last column. Now, new columns would be constructed with the right values. (:issue:`13658`)
 
 .. ipython:: python