C++: Update change note.

geoffw0 · geoffw0 · commit 39a939c36f28 · 2020-12-01T18:34:01.000Z
diff --git a/cpp/change-notes/2020-11-05-formatting-function.md b/cpp/change-notes/2020-11-05-formatting-function.md
@@ -1,3 +1,4 @@
 lgtm,codescanning
-* The `FormattingFunction` class now has predicates `isOutputStream` and `isOutputString` exposing more information about the function.
+* `FormattingFunction.getOutputParameterIndex` now has a parameter identifying whether the output at that index is a buffer or a stream.
+* `FormattingFunction` now has a predicate `isOutputGlobal` indicating when the output is to a global stream.
 * The `primitiveVariadicFormatter` and `variadicFormatter` predicates have more parameters exposing information about the function.
