Fix spelling of targetting

Author: erichkeane

clang/docs/ReleaseNotes.rst

@@ -347,7 +347,7 @@ Bug Fixes in This Version
   ``-Wshadow`` and show uncaptured-local warnings with ``-Wshadow-all``. (#GH68605)
 - Fixed a failed assertion with a negative limit parameter value inside of
   ``__has_embed``. (#GH157842)
-- Fixed an assertion when an improper use of the ``malloc`` attribute targetting
+- Fixed an assertion when an improper use of the ``malloc`` attribute targeting
   a function without arguments caused us to try to access a non-existent argument.
   (#GH159080)