docs: update NEWS.md with removed keyword arg functionality

NEWS.md

@@ -72,7 +72,7 @@ New library functions
 * The new `isfull(c::Channel)` function can be used to check if `put!(c, some_value)` will block. ([#53159])
 * `waitany(tasks; throw=false)` and `waitall(tasks; failfast=false, throw=false)` which wait multiple tasks at once ([#53341]).
 * `uuid7()` creates an RFC 9652 compliant UUID with version 7 ([#54834]).
-* The new `Fix` type is a generalization of `Fix1/Fix2` for fixing an argument or keyword argument ([#54653]).
+* The new `Fix` type is a generalization of `Fix1/Fix2` for fixing a single argument ([#54653]).
 
 New library features
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