Update modules/ROOT/pages/7.7.0-release-notes.adoc

Co-authored-by: Karl Kemister-Sheppard <[email protected]>

Author: abhinavgandham

modules/ROOT/pages/7.7.0-release-notes.adoc

@@ -168,7 +168,7 @@ For information on the **Image Optimizer** plugin, see: xref:uploadcare.adoc[Ima
 
 {productname} {release-version} also includes the following improvement<s>:
 
-===  Added `link_attributes_postprocess` option that allows overriding attributes of a link inserted through the link dialog.'
+===  Added `link_attributes_postprocess` option that allows overriding attributes of a link inserted through the link dialog.
 // #TINY-11707
 
 Previously in the xref:link.adoc[Link] plugin, there was no ability to override attributes of a link. With the release of {productname} {release-version}, a new option called `link_attributes_postprocess` has been added that allows this functionality.