diff --git a/packages/playwright-core/types/types.d.ts b/packages/playwright-core/types/types.d.ts
index a2c2f27534..bf4e35a9ca 100644
--- a/packages/playwright-core/types/types.d.ts
+++ b/packages/playwright-core/types/types.d.ts
@@ -16672,12 +16672,24 @@ export interface APIRequestContext {
    * Request parameters can be configured with `params` option, they will be serialized into the URL search parameters:
    *
    * ```js
+   * // Passing params as object
    * await request.get('https://example.com/api/getText', {
    *   params: {
    *     'isbn': '1234',
    *     'page': 23,
    *   }
    * });
+   *
+   * // Passing params as URLSearchParams
+   * const searchParams = new URLSearchParams();
+   * searchParams.set('isbn', '1234');
+   * searchParams.append('page', 23);
+   * searchParams.append('page', 24);
+   * await request.get('https://example.com/api/getText', { params: searchParams });
+   *
+   * // Passing params as string
+   * const queryString = 'isbn=1234&page=23&page=24';
+   * await request.get('https://example.com/api/getText', { params: queryString });
    * ```
    *
    * @param url Target URL.