[pygobject] docs: Fix the link to the Terminator project

[Christoph Reiter <creiter src gnome org>]

commit 670efc9bc8ebadb4407c831612ddfb7b1cf13b91
Author: Chris Mayo <aklhfex gmail com>
Date:   Mon Mar 8 19:21:11 2021 +0000

    docs: Fix the link to the Terminator project

 docs/index.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/index.rst b/docs/index.rst
index e78bb18e..af8b6e4c 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -82,7 +82,7 @@ Who Is Using PyGObject?
 * `Pithos <https://pithos.github.io/>`__ - a Pandora Radio client
 * `Pitivi <http://www.pitivi.org/>`__ - a free and open source video editor
 * `Quod Libet <https://quodlibet.readthedocs.io/>`__ - a music library manager / player
-* `Terminator <https://gnome-terminator.org/>` -- The Robot Future of Terminals
+* `Terminator <https://gnome-terminator.org/>`__ - The Robot Future of Terminals
 * `Transmageddon <http://www.linuxrising.org/>`__ - a video transcoder