diff --git a/packages/react-dom/src/__tests__/ReactTestUtils-test.js b/packages/react-dom/src/__tests__/ReactTestUtils-test.js
index b28b49deb0aa0..e3ed7c71a6883 100644
--- a/packages/react-dom/src/__tests__/ReactTestUtils-test.js
+++ b/packages/react-dom/src/__tests__/ReactTestUtils-test.js
@@ -640,7 +640,8 @@ describe('ReactTestUtils', () => {
     }).toErrorDev(
       [
         '`ReactDOMTestUtils.act` is deprecated in favor of `React.act`. ' +
-          'Import `act` from `react` instead of `react-dom/test-utils`.',
+          'Import `act` from `react` instead of `react-dom/test-utils`. ' +
+          'See https://react.dev/warnings/react-dom-test-utils for more info.',
       ],
       {withoutStack: true},
     );
diff --git a/packages/react-dom/src/test-utils/ReactTestUtils.js b/packages/react-dom/src/test-utils/ReactTestUtils.js
index e4c0dee8f1e74..1b4125c819e61 100644
--- a/packages/react-dom/src/test-utils/ReactTestUtils.js
+++ b/packages/react-dom/src/test-utils/ReactTestUtils.js
@@ -41,7 +41,8 @@ function act(callback) {
     didWarnAboutUsingAct = true;
     console.error(
       '`ReactDOMTestUtils.act` is deprecated in favor of `React.act`. ' +
-        'Import `act` from `react` instead of `react-dom/test-utils`.',
+        'Import `act` from `react` instead of `react-dom/test-utils`. ' +
+        'See https://react.dev/warnings/react-dom-test-utils for more info.',
     );
   }
   return React.act(callback);