diff --git a/chapter10/3-javascriptRedirect.py b/chapter10/3-javascriptRedirect.py
index 68f2ac6..c46d9f4 100644
--- a/chapter10/3-javascriptRedirect.py
+++ b/chapter10/3-javascriptRedirect.py
@@ -13,7 +13,12 @@ def waitForLoad(driver):
             return
         time.sleep(.5)
         try:
-            elem == driver.find_element_by_tag_name("html")
+             #elem ==driver.find_element_by_tag_name('html') will just return True or False,
+             #but will never raise a StaleElementReferenceException.
+
+             #It will raise a StaleElementReferenceException when using elem to do something
+             # while it is not the original one due to the page changing.
+            elem.text == driver.find_element_by_tag_name("html").text
         except StaleElementReferenceException:
             return
 
@@ -22,4 +27,4 @@ def waitForLoad(driver):
 #driver = webdriver.Chrome(executable_path='../chromedriver/chromedriver')
 driver.get("http://pythonscraping.com/pages/javascript/redirectDemo1.html")
 waitForLoad(driver)
-print(driver.page_source)
\ No newline at end of file
+print(driver.page_source)