diff --git a/lib/editor/tiny/plugins/accessibilitychecker/tests/behat/accessibilitychecker.feature b/lib/editor/tiny/plugins/accessibilitychecker/tests/behat/accessibilitychecker.feature
index 7db1ff56178..a5b20579484 100644
--- a/lib/editor/tiny/plugins/accessibilitychecker/tests/behat/accessibilitychecker.feature
+++ b/lib/editor/tiny/plugins/accessibilitychecker/tests/behat/accessibilitychecker.feature
@@ -14,9 +14,9 @@ Feature: Tiny editor accessibility checker
       | result                                                                         | content                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
       | The colours of the foreground and background text do not have enough contrast. | <p style='color: #7c7cff; background-color: #ffffff;'>Hard to read</p>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
       | There is a lot of text with no headings.                                       | <p>Sweet roll oat cake jelly-o macaroon donut oat cake. Caramels macaroon cookie sweet roll croissant cheesecake candy jelly-o. Gummies sugar plum sugar plum gingerbread dessert. Tiramisu bonbon jujubes danish marshmallow cookie chocolate cake cupcake tiramisu. Bear claw oat cake chocolate bar croissant. Lollipop cookie topping liquorice croissant. Brownie cookie cupcake lollipop cupcake cupcake. Fruitcake dessert sweet biscuit dragée caramels marzipan brownie. Chupa chups gingerbread apple pie cookie liquorice caramels carrot cake cookie gingerbread. Croissant candy jelly beans. Tiramisu apple pie dessert apple pie macaroon soufflé. Brownie powder carrot cake chocolate. Tart applicake croissant dragée macaroon chocolate donut.</p><p>Jelly beans gingerbread tootsie roll. Sugar plum tiramisu cotton candy toffee pie cotton candy tiramisu. Carrot cake chocolate bar sesame snaps cupcake cake dessert sweet fruitcake wafer. Marshmallow cupcake gingerbread pie sweet candy canes powder gummi bears. Jujubes cake muffin marshmallow candy jelly beans tootsie roll pie. Gummi bears applicake chocolate cake sweet jelly sesame snaps lollipop lollipop carrot cake. Marshmallow cake jelly beans. Jelly beans sesame snaps muffin halvah cookie ice cream candy canes carrot cake. Halvah donut marshmallow tiramisu. Cookie dessert gummi bears. Sugar plum apple pie jelly beans gummi bears tart chupa chups. Liquorice macaroon gummi bears gummies macaroon marshmallow sweet roll cake topping. Lemon drops caramels pie icing danish. Chocolate cake oat cake dessert halvah danish carrot cake apple pie.</p> |
-      | Tables should not contain merged cells.                                        | <table><caption>Dogs that look good in pants</caption><tr><th>Breed</th><th>Coolness</th></tr><tr><td>Poodle</td><td rowspan='2'>NOT COOL</td></tr><tr><td>Doberman</td></tr></table>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+      | Tables should not contain merged cells, as screen readers may not support them.| <table><caption>Dogs that look good in pants</caption><tr><th>Breed</th><th>Coolness</th></tr><tr><td>Poodle</td><td rowspan='2'>NOT COOL</td></tr><tr><td>Doberman</td></tr></table>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
       | Tables should use row and/or column headers.                                   | <table><caption>Dogs that look good in pants</caption><tr><th>Breed</th><td>Coolness</td></tr><tr><td>Poodle</td><td>NOT COOL</td></tr><tr><td>Doberman</td><td>COOL</td></tr></table>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
-      | Tables should have captions.                                                   | <table><tr><th>Breed</th><th>Coolness</th></tr><tr><td>Poodle</td><td>NOT COOL</td></tr><tr><td>Doberman</td><td>COOL</td></tr></table>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
+      | A table caption is not required, but is generally helpful.                     | <table><tr><th>Breed</th><th>Coolness</th></tr><tr><td>Poodle</td><td>NOT COOL</td></tr><tr><td>Doberman</td><td>COOL</td></tr></table>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
 
   @javascript
   Scenario: Perform accessibility validation on images with no alt attribute