diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..1028e67
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,21 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.c,*.h}]
+indent_style = tab
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false
+indent_style = tab
+
+[Makefile]
+indent_style = tab
+indent_size = 4
diff --git a/LICENSE b/LICENSE
index 4f36fac..54cff68 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,5 +1,6 @@
 MIT/X Consortium License
 
+© 2022 Alexander Popov <iiiypuk@fastmail.fm>
 © 2005-2017 Anselm R Garbe <anselm@garbe.us>
 © 2008-2009 Jeroen Schot <schot@a-eskwadraat.nl>
 © 2007-2009 Kris Maglione <maglione.k@gmail.com>
diff --git a/README b/README.md
similarity index 100%
rename from README
rename to README.md
diff --git a/sic.c b/sic.c
index c1e428e..9cc949e 100644
--- a/sic.c
+++ b/sic.c
@@ -1,4 +1,4 @@
- /* See LICENSE file for license details. */
+/* See LICENSE file for license details. */
 #include <sys/select.h>
 
 #include <ctype.h>
@@ -167,7 +167,7 @@ main(int argc, char *argv[]) {
 		password = EARGF(usage());
 		break;
 	case 'v':
-		eprint("sic-"VERSION", © 2005-2014 Kris Maglione, Anselm R. Garbe, Nico Golde\n");
+		eprint("sic-"VERSION", © 2005-2017 Anselm R Garbe, Jeroen Schot, Kris Maglione, Nico Golde\n");
 		break;
 	default:
 		usage();