diff --git a/idxqry.c b/idxqry.c
index 16bb1b8..8435fbb 100644
--- a/idxqry.c
+++ b/idxqry.c
@@ -1,5 +1,5 @@
 /**
-    Copyright (C) powturbo 2013-2018
+    Copyright (C) powturbo 2013-2019
     GPL v2 License
   
     This program is free software; you can redistribute it and/or modify
@@ -543,7 +543,7 @@ int qrybatch(idxrd_t *idx, char *fqname
 }
 
 void usage() {
-  fprintf(stderr, "\nTurboPFor Copyright (c) 2013-2018 Powturbo  %s\n", __DATE__);
+  fprintf(stderr, "\nTurboPFor Copyright (c) 2013-2019 Powturbo  %s\n", __DATE__);
   fprintf(stderr, "https://github.com/powturbo/TurboPFor\n\n");
     #ifdef THREAD_MAX
   fprintf(stderr, "Benchmark: parallel intersections in compressed inverted index\n\n");