diff --git a/documentation/cxx-interop/safe-interop/index.md b/documentation/cxx-interop/safe-interop/index.md
index 4301d2aa1..706a2ce1d 100644
--- a/documentation/cxx-interop/safe-interop/index.md
+++ b/documentation/cxx-interop/safe-interop/index.md
@@ -105,6 +105,10 @@ struct SWIFT_NONESCAPABLE StringRef { ... };
Now the Swift compiler imports `StringRef` as a safe type and no longer
emits a warning about using an unsafe type.
+
+Some containers and protocols do not yet support non-escapable types in Swift 6.2.
+
+
### Annotating C++ APIs
Building the code again will emit a new diagnostic for the `fileName` function about
@@ -394,6 +398,13 @@ adding additional annotations to C or C++ APIs will not affect Swift code curren
relying on the plain interface. Adding additional information may alter the signature
of any existing safe overload however, since only 1 safe overload per imported function is generated.
+
+At the time of writing, the features described in this section
+are behind an experimental feature flag on the Swift 6.2 release branch.
+To enable these features, pass `-enable-experimental-feature SafeInteropWrappers`
+to the Swift compiler.
+
+
### Safe Overloads for C++ `std::span`
APIs taking or returning C++'s `std::span` with sufficient lifetime