Removes trailing dash from generated slugs in markdown (#3044)

* fixed header slugs in markdown if ends with a dash

* added changeset

* removes trailing dash only if slug was created

* updated test

* updated change level from patch to minor

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/markdown/remark/test/expressions.test.js b/packages/markdown/remark/test/expressions.test.js
index db351f9d8..828f70561 100644
--- a/packages/markdown/remark/test/expressions.test.js
+++ b/packages/markdown/remark/test/expressions.test.js
@@ -54,7 +54,7 @@ describe('expressions', () => {
 		chai
 			.expect(code)
 			.to.equal(
-				'<h1 id="-foo--is-a-shorthand-for--foo-foo-"><code is:raw>{ foo }</code> is a shorthand for <code is:raw>{ foo: foo }</code></h1>'
+				'<h1 id="-foo--is-a-shorthand-for--foo-foo"><code is:raw>{ foo }</code> is a shorthand for <code is:raw>{ foo: foo }</code></h1>'
 			);
 	});