DOC-3131: update title headers.

Author: kemister85

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

@@ -73,7 +73,7 @@ For information on the **<Premium plugin name 1>** plugin, see: xref:<plugincode
 
 The {productname} {release-version} release includes an accompanying update to the **Export to Word** premium plugin.
 
-==== Improved handling of relative URLs using `base_url` configuration
+==== Improved handling of relative URLs using `base_url` configuration for Export to Word
 // #TINY-11923
 
 Previously, the `exportword` plugin converted relative URLs (e.g., `+/relative/url+`) into incorrect absolute URLs during export, causing hyperlinks in Word documents to direct users to unintended or non-existent destinations. This issue has been resolved. The plugin now correctly resolves relative URLs using the `base_url` configuration option, ensuring exported Word documents contain valid and functional hyperlinks.
@@ -84,7 +84,7 @@ For more information, see: xref:exportword.adoc[Export to Word].
 
 The {productname} {release-version} release includes an accompanying update to the **Export to PDF** premium plugin.
 
-==== Improved handling of relative URLs using `base_url` configuration
+==== Improved handling of relative URLs using `base_url` configuration for Export to PDF
 // #TINY-11923
 
 The `exportpdf` plugin previously transformed relative URLs (e.g., `+/relative/url+`) into incorrect absolute URLs, resulting in broken or misdirected links in exported PDF documents. This issue has been addressed. The plugin now uses the `base_url` configuration option to correctly resolve relative URLs, ensuring that links in exported PDFs lead to the correct destinations.