diff --git a/scan/scan_utf8.3 b/scan/scan_utf8.3
index 999c33b..0c8f72c 100644
--- a/scan/scan_utf8.3
+++ b/scan/scan_utf8.3
@@ -5,6 +5,7 @@ scan_utf8 \- decode an unsigned integer from UTF-8 encoding
 .B #include <scan.h>
 
 size_t \fBscan_utf8\fP(const char *\fIsrc\fR,size_t \fIlen\fR,uint32_t *\fIdest\fR);
+
 size_t \fBscan_utf8_sem\fP(const char *\fIsrc\fR,size_t \fIlen\fR,uint32_t *\fIdest\fR);
 .SH DESCRIPTION
 scan_utf8 decodes an unsigned integer in UTF-8 encoding from a memory