Add link to gentoo inclusion bug

diff --git a/installation/gentoo.md b/installation/gentoo.md
index 6815b7a05527c4af1549aba7ab17d820ece19dbe..ca1dc7be21a09fb3ecd9aa4878cb42f8547c11b5 100644 (file)
--- a/installation/gentoo.md
+++ b/installation/gentoo.md
@@ -21,3 +21,10 @@ want and run "emerge dspdfviewer".
 
 [0]: https://github.com/dannyedel/dspdfviewer/tree/master/gentoo
 [1]: https://www.gentoo.org/proj/en/overlays/userguide.xml
+
+-----
+
+The inclusion request for the main Gentoo repository is filed under
+[bug 520120 in the Gentoo bugzilla][gentoobug].
+
+[gentoobug]: https://bugs.gentoo.org/show_bug.cgi?id=520120