diff --git a/sys/man/1/acmemail b/sys/man/1/acmemail
index d7764414a..16d5373bd 100644
--- a/sys/man/1/acmemail
+++ b/sys/man/1/acmemail
@@ -1,4 +1,4 @@
-.TH NAIL 1
+.TH ACMEMAIL 1
 .SH NAME
 Mail \- view mail in acme
 
diff --git a/sys/man/1/bar b/sys/man/1/bar
index eca6a5a0c..490e11636 100644
--- a/sys/man/1/bar
+++ b/sys/man/1/bar
@@ -59,7 +59,7 @@ option.
 Date and time format may be set using
 .I -d
 option, see
-.IR tmdate (2).
+.IR tmdate (2) .
 .SH EXAMPLES
 An example of how
 .I bar
diff --git a/sys/man/1/pc b/sys/man/1/pc
index efa4c451c..284a0b796 100644
--- a/sys/man/1/pc
+++ b/sys/man/1/pc
@@ -3,9 +3,6 @@
 pc \- programmer's calculator
 .SH SYNOPSIS
 .B pc
-[
-.B -n
-]
 .SH DESCRIPTION
 .I Pc
 is an arbitrary precision integer calculator with a special emphasis on supporting two's complement bit operations and working with different number bases.