Update changelog.md, tie 11.6 to 1.7.0

wmaxey · wmaxey · commit c5cc60d893a7 · 2022-01-13T16:08:08.000-08:00
diff --git a/docs/releases/changelog.md b/docs/releases/changelog.md
@@ -11,7 +11,7 @@ It pulls in the latest version of upstream libc++ and marks the beginning of
 
 !-->
 
-## libcu++ 1.7.0
+## libcu++ 1.7.0 (CUDA Toolkit 11.6)
 
 libcu++ 1.7.0 is a major release. It adds `cuda::std::atomic_ref` for integral
 types. `cuda::std::atomic_ref` may potentially replace uses of CUDA specific
