diff --git a/release/doc/en_US.ISO8859-1/hardware/article.sgml b/release/doc/en_US.ISO8859-1/hardware/article.sgml
index 28b0ad0a69b..21c8865ce15 100644
--- a/release/doc/en_US.ISO8859-1/hardware/article.sgml
+++ b/release/doc/en_US.ISO8859-1/hardware/article.sgml
@@ -1104,7 +1104,7 @@
     <para arch="i386,alpha,ia64,amd64"><quote>PC standard</quote> 8250, 16450, and 16550-based serial ports (&man.sio.4; driver)</para>
 
     <para arch="sparc64">Serial ports based on the SAB82532 serial
-      chip, console only (sab driver)</para>
+      chip, console only (&man.sab.4; driver)</para>
 
     <para arch="sparc64">Serial ports based on the Zilog 8530 dual uart,
       console only (zs driver)</para>
diff --git a/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml b/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml
index 28b0ad0a69b..21c8865ce15 100644
--- a/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml
+++ b/release/doc/en_US.ISO8859-1/hardware/common/dev.sgml
@@ -1104,7 +1104,7 @@
     <para arch="i386,alpha,ia64,amd64"><quote>PC standard</quote> 8250, 16450, and 16550-based serial ports (&man.sio.4; driver)</para>
 
     <para arch="sparc64">Serial ports based on the SAB82532 serial
-      chip, console only (sab driver)</para>
+      chip, console only (&man.sab.4; driver)</para>
 
     <para arch="sparc64">Serial ports based on the Zilog 8530 dual uart,
       console only (zs driver)</para>