diff --git a/doc/changelog.asciidoc b/doc/changelog.asciidoc
index f484ee34c..13095e98f 100644
--- a/doc/changelog.asciidoc
+++ b/doc/changelog.asciidoc
@@ -37,6 +37,7 @@ Added
   markdown format.
 - Basic support for client certificates with Qt 5.12. Selecting the certificate
   to show when there are multiple matching certificates isn't implemented yet.
+- Support for DNS prefetching (`content.dns_prefetch`) with QtWebEngine on 5.12.
 
 Changed
 ~~~~~~~
diff --git a/doc/help/settings.asciidoc b/doc/help/settings.asciidoc
index eb3907cce..eab51a16b 100644
--- a/doc/help/settings.asciidoc
+++ b/doc/help/settings.asciidoc
@@ -1647,7 +1647,7 @@ Type: <<types,Bool>>
 
 Default: +pass:[true]+
 
-This setting is only available with the QtWebKit backend.
+On QtWebEngine, this setting requires Qt 5.12 or newer.
 
 [[content.frame_flattening]]
 === content.frame_flattening