Fix mailto: link

diff --git a/doc/index.texi b/doc/index.texi
index 5f6c6a364e75250358c79d5599c4f922ac5482aa..041ba70cab133aafbf932f5b8f49663aea0d43b7 100644 (file)
--- a/doc/index.texi
+++ b/doc/index.texi
@@ -91,7 +91,7 @@ GoCheese is
 @url{https://www.gnu.org/philosophy/free-sw.html, free software}
 licenced under @url{https://www.gnu.org/licenses/gpl-3.0.html, GNU GPLv3}.
 
-Please send questions, bug reports and patches to @url{gocheese@@cypherpunks.ru}.
+Please send questions, bug reports and patches to @url{mailto:gocheese@@cypherpunks.ru}.
 
 @insertcopying