Update a comment

Author: mdmintz

seleniumbase/fixtures/base_case.py

@@ -49,7 +49,7 @@ class MyTestClass(BaseCase):
                                         WebDriverException)
 from selenium.common import exceptions as selenium_exceptions
 try:
-    # Selenium 3
+    # Selenium 3 (ElementNotInteractableException does not exist in selenium 2)
     ENI_Exception = selenium_exceptions.ElementNotInteractableException
 except Exception:
     # Selenium 2 (Keep compatibility with seleneium 2.53.6 if still being used)