[py] fix doc for find_elements (#15411)

Author: Delta456

py/selenium/webdriver/remote/shadowroot.py

@@ -97,11 +97,11 @@ def find_elements(self, by: str = By.ID, value: str = None):
 
         Example:
         --------
-        element = driver.find_element(By.ID, 'foo')
+        element = driver.find_elements(By.ID, 'foo')
 
         Returns:
         -------
-        WebElement
+        List[WebElement]
             list of `WebElements` matching locator strategy found on the page.
         """
         if by == By.ID:

py/selenium/webdriver/remote/webdriver.py

@@ -916,11 +916,11 @@ def find_elements(self, by=By.ID, value: Optional[str] = None) -> List[WebElemen
 
         Example:
         --------
-        element = driver.find_element(By.ID, 'foo')
+        element = driver.find_elements(By.ID, 'foo')
 
         Returns:
         -------
-        WebElement
+        List[WebElement]
             list of `WebElements` matching locator strategy found on the page.
         """
         by, value = self.locator_converter.convert(by, value)

py/selenium/webdriver/remote/webelement.py

@@ -619,11 +619,11 @@ def find_elements(self, by=By.ID, value=None) -> List[WebElement]:
 
         Example:
         --------
-        >>> element = driver.find_element(By.ID, 'foo')
+        >>> element = driver.find_elements(By.ID, 'foo')
 
         Returns:
         -------
-        WebElement
+        List[WebElement]
             list of `WebElements` matching locator strategy found on the page.
         """
         by, value = self._parent.locator_converter.convert(by, value)