Moved heading-order to experimental

Author: mattscepter

doc/rule-descriptions.md

@@ -104,7 +104,6 @@ Rules that do not necessarily conform to WCAG success criterion but are industry
 | [empty-heading](https://dequeuniversity.com/rules/axe/4.9/empty-heading?application=RuleDescription)                                             | Ensures headings have discernible text                                                                                                         | Minor    | cat.name-role-value, best-practice         | failure, needs review | [ffd0e9](https://act-rules.github.io/rules/ffd0e9) |
 | [empty-table-header](https://dequeuniversity.com/rules/axe/4.9/empty-table-header?application=RuleDescription)                                   | Ensures table headers have discernible text                                                                                                    | Minor    | cat.name-role-value, best-practice         | failure, needs review |                                                    |
 | [frame-tested](https://dequeuniversity.com/rules/axe/4.9/frame-tested?application=RuleDescription)                                               | Ensures <iframe> and <frame> elements contain the axe-core script                                                                  | Critical | cat.structure, best-practice, review-item  | failure, needs review |                                                    |
-| [heading-order](https://dequeuniversity.com/rules/axe/4.9/heading-order?application=RuleDescription)                                             | Ensures the order of headings is semantically correct                                                                                          | Moderate | cat.semantics, best-practice               | failure, needs review |                                                    |
 | [image-redundant-alt](https://dequeuniversity.com/rules/axe/4.9/image-redundant-alt?application=RuleDescription)                                 | Ensure image alternative is not repeated as text                                                                                               | Minor    | cat.text-alternatives, best-practice       | failure                    |                                                    |
 | [label-title-only](https://dequeuniversity.com/rules/axe/4.9/label-title-only?application=RuleDescription)                                       | Ensures that every form element has a visible label and is not solely labeled using hidden labels, or the title or aria-describedby attributes | Serious  | cat.forms, best-practice                   | failure                    |                                                    |
 | [landmark-banner-is-top-level](https://dequeuniversity.com/rules/axe/4.9/landmark-banner-is-top-level?application=RuleDescription)               | Ensures the banner landmark is at top level                                                                                                    | Moderate | cat.semantics, best-practice               | failure                    |                                                    |
@@ -143,6 +142,7 @@ Rules we are still testing and developing. They are disabled by default in axe-c
 | :------------------------------------------------------------------------------------------------------------------------------- | :------------------------------------------------------------------------------------------------------------------------- | :------- | :----------------------------------------------------------------------------------------------------------- | :------------------------- | :------------------------------------------------- |
 | [css-orientation-lock](https://dequeuniversity.com/rules/axe/4.9/css-orientation-lock?application=RuleDescription)               | Ensures content is not locked to any specific display orientation, and the content is operable in all display orientations | Serious  | cat.structure, wcag134, wcag21aa, EN-301-549, EN-9.1.3.4, experimental                                       | failure, needs review | [b33eff](https://act-rules.github.io/rules/b33eff) |
 | [focus-order-semantics](https://dequeuniversity.com/rules/axe/4.9/focus-order-semantics?application=RuleDescription)             | Ensures elements in the focus order have a role appropriate for interactive content                                        | Minor    | cat.keyboard, best-practice, experimental                                                                    | failure                    |                                                    |
+| [heading-order](https://dequeuniversity.com/rules/axe/4.9/heading-order?application=RuleDescription)                             | Ensures the order of headings is semantically correct                                                                      | Moderate | cat.semantics, wcag2aaa, wcag2410, experimental                                                              | failure, needs review |                                                    |
 | [hidden-content](https://dequeuniversity.com/rules/axe/4.9/hidden-content?application=RuleDescription)                           | Informs users about hidden content.                                                                                        | Minor    | cat.structure, best-practice, experimental, review-item                                                      | failure, needs review |                                                    |
 | [label-content-name-mismatch](https://dequeuniversity.com/rules/axe/4.9/label-content-name-mismatch?application=RuleDescription) | Ensures that elements labelled through their content must have their visible text as part of their accessible name         | Serious  | cat.semantics, wcag21a, wcag253, EN-301-549, EN-9.2.5.3, experimental                                        | failure                    | [2ee8b8](https://act-rules.github.io/rules/2ee8b8) |
 | [p-as-heading](https://dequeuniversity.com/rules/axe/4.9/p-as-heading?application=RuleDescription)                               | Ensure bold, italic text and font-size is not used to style <p> elements as a heading                                | Serious  | cat.semantics, wcag2a, wcag131, EN-301-549, EN-9.1.3.1, experimental                                         | failure, needs review |                                                    |