diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index eb7ec28..265fb4b 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@api.global/typedrequest-interfaces',
-  version: '3.0.12',
+  version: '3.0.13',
   description: 'interfaces for making typed requests'
 }
diff --git a/ts/index.ts b/ts/index.ts
index 2277764..f1c7ac4 100644
--- a/ts/index.ts
+++ b/ts/index.ts
@@ -118,7 +118,12 @@ export interface IUnifiedStreamDataPackage {
   keepAlive?: boolean;
 
   /**
-   * is there more data scheduled to be sent?
+   * is backpressure detected on the readable side?
+   */
+  backpressure?: boolean;
+
+  /**
+   * does the writable side have more data scheduled to be sent?
    */
   next?: boolean;
 }