Update the ReadMe

Author: mdmintz

README.md

@@ -181,19 +181,19 @@ from seleniumbase import BaseCase
 class MyTestClass(BaseCase):
 
     def test_basic(self):
-        self.open('https://xkcd.com/353/')
+        self.open("https://xkcd.com/353/")
         self.assert_element('img[alt="Python"]')
         self.click('a[rel="license"]')
-        self.assert_text('free to copy', 'div center')
+        self.assert_text("free to copy", "div center")
         self.open("https://xkcd.com/1481/")
         title = self.get_attribute("#comic img", "title")
         self.assert_true("86,400 seconds per day" in title)
-        self.click('link=Blag')
-        self.assert_text('The blag of the webcomic', 'h2')
-        self.update_text('input#s', 'Robots!\n')
-        self.assert_text('Hooray robots!', '#content')
-        self.open('https://xkcd.com/1319/')
-        self.assert_text('Automation', 'div#ctitle')
+        self.click("link=Blag")
+        self.assert_text("The blag of the webcomic", "h2")
+        self.update_text("input#s", "Robots!\n")
+        self.assert_text("Hooray robots!", "#content")
+        self.open("https://xkcd.com/1319/")
+        self.assert_exact_text("Automation", "#ctitle")
 ```
 (<i>By default, [CSS Selectors](https://www.w3schools.com/cssref/css_selectors.asp) are used for finding page elements.</i>)