diff --git a/src/SeleniumLibrary/__init__.pyi b/src/SeleniumLibrary/__init__.pyi
index 5e5ec005e..dc947bb9d 100644
--- a/src/SeleniumLibrary/__init__.pyi
+++ b/src/SeleniumLibrary/__init__.pyi
@@ -107,7 +107,7 @@ class SeleniumLibrary:
     def mouse_out(self, locator: Union): ...
     def mouse_over(self, locator: Union): ...
     def mouse_up(self, locator: Union): ...
-    def open_browser(self, url: Optional[Optional] = None, browser: str = 'firefox', alias: Optional[Optional] = None, remote_url: Union = False, desired_capabilities: Optional[Union] = None, ff_profile_dir: Optional[Union] = None, options: Optional[Any] = None, service_log_path: Optional[Optional] = None, executable_path: Optional[Optional] = None): ...
+    def open_browser(self, url: Optional[Optional] = None, browser: str = 'firefox', alias: Optional[Optional] = None, remote_url: Union = False, desired_capabilities: Optional[Union] = None, ff_profile_dir: Optional[Union] = None, options: Optional[Any] = None, service_log_path: Optional[Optional] = None, executable_path: Optional[Optional] = None, service: Optional[Any] = None): ...
     def open_context_menu(self, locator: Union): ...
     def page_should_contain(self, text: str, loglevel: str = 'TRACE'): ...
     def page_should_contain_button(self, locator: Union, message: Optional[Optional] = None, loglevel: str = 'TRACE'): ...
@@ -129,6 +129,7 @@ class SeleniumLibrary:
     def page_should_not_contain_textfield(self, locator: Union, message: Optional[Optional] = None, loglevel: str = 'TRACE'): ...
     def press_key(self, locator: Union, key: str): ...
     def press_keys(self, locator: Optional[Union] = None, *keys: str): ...
+    def print_page_as_pdf(self, filename: str = 'selenium-page-{index}.pdf', background: Optional[Optional] = None, margin_bottom: Optional[Optional] = None, margin_left: Optional[Optional] = None, margin_right: Optional[Optional] = None, margin_top: Optional[Optional] = None, orientation: Optional[Optional] = None, page_height: Optional[Optional] = None, page_ranges: Optional[Optional] = None, page_width: Optional[Optional] = None, scale: Optional[Optional] = None, shrink_to_fit: Optional[Optional] = None): ...
     def radio_button_should_be_set_to(self, group_name: str, value: str): ...
     def radio_button_should_not_be_selected(self, group_name: str): ...
     def register_keyword_to_run_on_failure(self, keyword: Optional): ...