diff --git a/MVMCore/MVMCore/ActionHandling/MVMCoreActionHandler.h b/MVMCore/MVMCore/ActionHandling/MVMCoreActionHandler.h
index 0396f16..96c90da 100644
--- a/MVMCore/MVMCore/ActionHandling/MVMCoreActionHandler.h
+++ b/MVMCore/MVMCore/ActionHandling/MVMCoreActionHandler.h
@@ -29,6 +29,7 @@ extern NSString * _Nonnull const KeyActionTypeOpen;
 - (void)handleAction:(nullable NSString *)actionType actionInformation:(nullable NSDictionary *)actionInformation additionalData:(nullable NSDictionary *)additionalData delegate:(nullable NSObject <MVMCoreLoadDelegateProtocol,MVMCorePresentationDelegateProtocol,MVMCoreActionDelegateProtocol>*)delegate;
 
 #pragma mark - Actions
+// by defaul, returns the original RequestParameter that passed in. Can be overriden for some generic updates to the RequestParameter before handle open page action gets called. 
 - (void)updateRequestParametersBeforeHandleOpenPageAction:(nonnull MVMCoreRequestParameters *)requestParameters callBack:(void (^_Nonnull)(MVMCoreRequestParameters * _Nonnull requestParameters))callback;
 
 // Logs the action. Currently is not action information driven... depends on delegate.