diff --git a/main.c b/main.c
index 5186d79..0f224b5 100644
--- a/main.c
+++ b/main.c
@@ -55,7 +55,7 @@ syntax()
 	    "    -R<SCRID>              Show only events with this Series ID.\n"
 	    "    -S<service id>         Show only selected service.\n"
 	    "    -G<type>               Show only records with this guidance "
-		"type\n"
+		"type.\n"
 	);
 	fprintf(stderr,
 	    "    -T<content type>       Show only selected content types.\n"