diff --git a/share/tmac/doc-common b/share/tmac/doc-common
index c1db6af1a948..cca3d5b09bd4 100644
--- a/share/tmac/doc-common
+++ b/share/tmac/doc-common
@@ -225,8 +225,10 @@
 .if "\\$1"NetBSD" \{\
 .	ds oS NetBSD
 .	if "\\$2"0.8"  .as oS \00.8
-.	if "\\$2"0.8a" .as oS \00.8a Experimental
-.	if "\\$2"0.9"  .as oS \00.9 Experimental
+.	if "\\$2"0.8a" .as oS \00.8a
+.	if "\\$2"0.9"  .as oS \00.9
+.	if "\\$2"0.9a" .as oS \00.9a Experimental
+.	if "\\$2"1.0"  .as oS \01.0 Experimental
 .\}
 .if "\\*(oS"Null" .ds oS \0\\$1
 .if "\\*(aa"Non-Null" .as oS \0\\$2