Update src/app/InteractionModelEngine.cpp

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

Author: andy31415

src/app/InteractionModelEngine.cpp

@@ -975,8 +975,7 @@ CHIP_ERROR InteractionModelEngine::OnMessageReceived(Messaging::ExchangeContext
 
     Protocols::InteractionModel::Status status = Status::Failure;
 
-    // Ensure that DataModel::Provider have access to the currently executing
-    // exchange context.
+    // Ensure that DataModel::Provider have access to the exchange the message was received on.
     ScopedExchangeContext scopedExchangeContext(*this, apExchangeContext);
 
     // Group Message can only be an InvokeCommandRequest or WriteRequest