fix typo

Author: Backl1ght

clang/docs/ReleaseNotes.rst

@@ -433,7 +433,7 @@ Bug Fixes in This Version
 - Fixed a failed assertion with empty filename in ``#embed`` directive. (#GH162951)
 - Fixed a crash triggered by unterminated ``__has_embed``. (#GH162953)
 - Fixed a wrong diagnostic about a local variable inside a lambda in unevaluated
-  contexts need capture. (#GH163837)
+  context needs capture. (#GH163837)
 
 Bug Fixes to Compiler Builtins
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