diff --git a/lib/libmixer/mixer.3 b/lib/libmixer/mixer.3
--- a/lib/libmixer/mixer.3
+++ b/lib/libmixer/mixer.3
@@ -22,7 +22,7 @@
 .\" $FreeBSD$
 .\"
 
-.Dd March 19, 2022
+.Dd January 19, 2023
 .Dt MIXER 3
 .Os
 .Sh NAME
@@ -108,7 +108,7 @@
 A mixer is described by the following structure:
 .Bd -literal
 struct mixer {
-	TAILQ_HEAD(, mix_dev) devs;		/* device list */
+	TAILQ_HEAD(mix_devhead, mix_dev) devs;	/* device list */
 	struct mix_dev *dev;			/* selected device */
 	oss_mixerinfo mi;			/* mixer info */
 	oss_card_info ci;			/* audio card info */
@@ -212,7 +212,7 @@
 		float right;			/* right volume */
 	} vol;
 	int nctl;				/* number of controls */
-	TAILQ_HEAD(, mix_ctl) ctls;		/* control list */
+	TAILQ_HEAD(mix_ctlhead, mix_ctl) ctls;	/* control list */
 	TAILQ_ENTRY(mix_dev) devs;
 };
 .Ed