diff --git a/main.c b/main.c
index af2e98a..b48e882 100644
--- a/main.c
+++ b/main.c
@@ -97,7 +97,7 @@ struct	curparse {
 static	const char * const	mandocerrs[MANDOCERR_MAX] = {
 	"ok",
 	"text should be uppercase",
-	"sections out of conentional order",
+	"sections out of conventional order",
 	"section name repeats",
 	"out of order prologue",
 	"repeated prologue entry",
@@ -111,7 +111,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = {
 	"superfluous width argument",
 	"bad date argument",
 	"bad width argument",
-	"unknown manual sction",
+	"unknown manual section",
 	"section not in conventional manual section",
 	"end of line whitespace",
 	"scope open on exit",
diff --git a/mandoc.h b/mandoc.h
index f6203c5..2fc0807 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -26,7 +26,7 @@ __BEGIN_DECLS
 enum	mandocerr {
 	MANDOCERR_OK,
 	MANDOCERR_UPPERCASE, /* text should be uppercase */
-	MANDOCERR_SECOOO, /* sections out of conentional order */
+	MANDOCERR_SECOOO, /* sections out of conventional order */
 	MANDOCERR_SECREP, /* section name repeats */
 	MANDOCERR_PROLOGOOO, /* out of order prologue */
 	MANDOCERR_PROLOGREP, /* repeated prologue entry */
@@ -40,7 +40,7 @@ enum	mandocerr {
 	MANDOCERR_WIDTHARG, /* superfluous width argument */
 	MANDOCERR_BADDATE, /* bad date argument */
 	MANDOCERR_BADWIDTH, /* bad width argument */
-	MANDOCERR_BADMSEC, /* unknown manual sction */
+	MANDOCERR_BADMSEC, /* unknown manual section */
 	MANDOCERR_SECMSEC, /* section not in conventional manual section */
 	MANDOCERR_EOLNSPACE, /* end of line whitespace */
 	MANDOCERR_SCOPEEXIT, /* scope open on exit */