Fix typo in the #11681 news entry

Signed-off-by: Filipe Laíns <[email protected]>

Author: FFY00

news/11681.feature.rst

@@ -1,4 +1,4 @@
 The ``--config-settings``/``-C`` option now supports using the same key multiple
 times. When the same key is specified multiple times, all values are passed to
-the build backend as a list, as opposed to the previous behavior where pip would
-only pass the last value is the same key was used multiple times.
+the build backend as a list, as opposed to the previous behavior, where pip would
+only pass the last value if the same key was used multiple times.