Update modules/ROOT/pages/7.8.0-release-notes.adoc

Co-authored-by: ltrouton <46954949+ltrouton@users.noreply.github.com>

Author: kemister85

modules/ROOT/pages/7.8.0-release-notes.adoc

@@ -163,7 +163,7 @@ For information on using Enhanced Skins & Icon Packs, see: xref:enhanced-skins-a
 
 In previous versions of {productname}, it was not possible to add comments to footnotes when selecting the footnote element.
 
-As a result, attempting to add a comment would result in the comment being attached to a word outside the footnote as they where not considered valid block elements.
+As a result, attempting to add a comment would result in the comment being attached to a word outside the footnote as they were not considered valid block elements.
 
 {productname} {release-version} addresses this issue. Now, comments can now be added directly to the entire footnote element, similar to how comments are handled for figures and other comparable elements.