diff --git a/docs/src/test-api/class-testconfig.md b/docs/src/test-api/class-testconfig.md
index a5854ef4e3..0df43c6d0a 100644
--- a/docs/src/test-api/class-testconfig.md
+++ b/docs/src/test-api/class-testconfig.md
@@ -54,6 +54,7 @@ export default defineConfig({
     - `maxDiffPixelRatio` ?<[float]> an acceptable ratio of pixels that are different to the total amount of pixels, between `0` and `1` , unset by default.
   - `toPass` ?<[Object]> Configuration for the [expect(value).toPass()](../test-assertions.md#expecttopass) method.
     - `timeout` ?<[int]> timeout for toPass method in milliseconds.
+    - `intervals` ?<[Array]<[int]>> probe intervals for toPass method in milliseconds.
 
 Configuration for the `expect` assertion library. Learn more about [various timeouts](../test-timeouts.md).
 
diff --git a/packages/playwright/types/test.d.ts b/packages/playwright/types/test.d.ts
index 2c18860471..0e35b5de67 100644
--- a/packages/playwright/types/test.d.ts
+++ b/packages/playwright/types/test.d.ts
@@ -702,6 +702,11 @@ interface TestConfig {
        * timeout for toPass method in milliseconds.
        */
       timeout?: number;
+
+      /**
+       * probe intervals for toPass method in milliseconds.
+       */
+      intervals?: Array<number>;
     };
   };
 
@@ -8596,11 +8601,6 @@ interface TestProject {
        * timeout for toPass method in milliseconds.
        */
       timeout?: number;
-
-      /**
-       * interval for toPass method in milliseconds.
-       */
-      intervals?: number[];
     };
   };