--- a/testing/web-platform/tests/webdriver/tests/interaction/send_keys_content_editable.py
+++ b/testing/web-platform/tests/webdriver/tests/interaction/send_keys_content_editable.py
@@ -6,17 +6,17 @@ from tests.support.inline import inline
 def test_sets_insertion_point_to_end(session):
     session.url = inline('<div contenteditable=true>Hello,</div>')
     input = session.find.css("div", all=False)
     input.send_keys(' world!')
     text = session.execute_script('return arguments[0].innerText', args=[input])
     assert "Hello, world!" == text.strip()
 
 
-# 12. Let current text length be the element’s length.
+# 12. Let current text length be the element's length.
 #
 # 13. Set the text insertion caret using set selection range using current
 #     text length for both the start and end parameters.
 def test_sets_insertion_point_to_after_last_text_node(session):
     session.url = inline('<div contenteditable=true>Hel<span>lo</span>,</div>')
     input = session.find.css("div", all=False)
     input.send_keys(" world!")
     text = session.execute_script("return arguments[0].innerText", args=[input])