diff --git a/make-libs-list.c b/make-libs-list.c
index 0d4a2da..86379f2 100644
--- a/make-libs-list.c
+++ b/make-libs-list.c
@@ -1,7 +1,15 @@
+/*
+    AUTHOR:  Alexander Popov <iiiypuk {at} fastmail.fm>
+    LICENSE: MIT-0
+    REPO:    https://git.a2s.su/iiiypuk/minecraft-launcher-libs
+*/
+
 #include <stdio.h>
 #include <string.h>
 #include <cjson/cJSON.h>
 
+#define VERSION "1.0.0" // software version
+
 void usage();
 void info(cJSON *json);
 void generate_library_list(cJSON *input_json, cJSON *output_json, char output_system);
@@ -66,7 +74,8 @@ int main(int argc, char const *argv[])
 
 void usage()
 {
-    printf("%s\n\n", "Minecraft Libraries List Generator");
+    printf("%s\n%s: %s\n\n", "Minecraft Libraries List Generator",
+        "Version", VERSION);
     printf("%s\n", "Usage:");
     printf("  %s\n\n", "make-libs-string <version.json> <system>");
     printf("  %s\n\n", "<system> - w|l|x (windows or linux or osx)");