diff --git a/sdk-core-protos/protos/local/temporal/sdk/core/workflow_activation/workflow_activation.proto b/sdk-core-protos/protos/local/temporal/sdk/core/workflow_activation/workflow_activation.proto
index 7991ac480..2c612b8b8 100644
--- a/sdk-core-protos/protos/local/temporal/sdk/core/workflow_activation/workflow_activation.proto
+++ b/sdk-core-protos/protos/local/temporal/sdk/core/workflow_activation/workflow_activation.proto
@@ -27,7 +27,8 @@ import "temporal/sdk/core/common/common.proto";
 //
 // This is because:
 // * Patches are expected to apply to the entire activation
-// * Signal and query handlers should be invoked before workflow routines are iterated
+// * Signal and update handlers should be invoked before workflow routines are iterated. That is to
+//   say before the users' main workflow function and anything spawned by it is allowed to continue.
 // * Queries always go last (and, in fact, always come in their own activation)
 //
 // The downside of this reordering is that a signal or update handler may not observe that some