diff --git a/man3/bzero.3 b/man3/bzero.3
index 9b6302563..1bda9ba07 100644
--- a/man3/bzero.3
+++ b/man3/bzero.3
@@ -28,9 +28,11 @@ bzero, explicit_bzero \- zero a byte string
 .SH SYNOPSIS
 .nf
 .B #include <strings.h>
-.sp
+
 .BI "void bzero(void *" s ", size_t " n );
 
+.B #include <string.h>
+
 .BI "void explicit_bzero(void *" s ", size_t " n );
 .fi
 .SH DESCRIPTION