diff --git a/tmac/mdoc/doc-common b/tmac/mdoc/doc-common
index 53a25659f..df10ebd7d 100644
--- a/tmac/mdoc/doc-common
+++ b/tmac/mdoc/doc-common
@@ -1410,6 +1410,7 @@
 .    doc-parse-args \$@
 .
 .    ad \*[AD]
+.    hy \*[HY]
 .
 .    ie "\*[doc-sec-head]"\*[doc-section-name]" \{\
 .      doc-set-up-titles
@@ -1424,8 +1425,8 @@
 .      nr doc-in-authors-section 0
 .
 .      ie        "\*[doc-sec-head]"\*[doc-section-synopsis]" \{\
-.        if t \
-.          na
+.        ad l
+.        nh
 .        nr doc-in-synopsis-section 1
 .        nr doc-indent-synopsis 0
 .        nr doc-indent-synopsis-active 0