Fix typo in changelog (#1706)

Author: jderusse

src/Service/MediaConvert/CHANGELOG.md

@@ -6,7 +6,7 @@
 
 - AWS api-change: This release includes support for bringing your own fonts to use for burn-in or DVB-Sub captioning workflows.
 - AWS api-change: Change endpoint for `cn-northwest-1` region
-- ```
+
 
 ## 1.1.0