diff --git a/doc/config.rst b/doc/config.rst
index 01aea96dd..1762c84ec 100644
--- a/doc/config.rst
+++ b/doc/config.rst
@@ -2067,7 +2067,8 @@ These options influence Texinfo output.
 Options for QtHelp output
 --------------------------
 
-These options influence QtHelp output.
+These options influence qthelp output.  As this builder derives from the HTML
+builder, the HTML options also apply where appropriate.
 
 .. confval:: qthelp_basename