diff --git a/readme/cy.md b/readme/cy.md
index ab2ce8e6..2d41a762 100644
--- a/readme/cy.md
+++ b/readme/cy.md
@@ -97,7 +97,7 @@ Mae'r ystorfa hon yn rhestr o wefannau sydd y tu ôl i "The Great Cloudwall", ga
   * Cafodd y tocyn ei fandaleiddio gymaint o weithiau.
   * [Wedi'i ddileu gan Brosiect Tor.](https://lists.torproject.org/pipermail/anti-censorship-team/2020-May/000098.html) [Gweler tocyn 34175.](https://trac.torproject.org/projects/tor/ticket/34175)
   * [Tocyn archif olaf 24351.](https://web.archive.org/web/20200301013104/https://trac.torproject.org/projects/tor/ticket/24351)
-* [Shared on Mastodon](http://stopcloudflare@avrynpc2q7pknqa3ucf5tvjcwad5nxvxgwnzvl2b6dx6uo4f7nc7zzqd.onion/mastodon/)
+* [Shared on Mastodon](../subfiles/shared_on_mastodon.md)
 * [Cloudflare Watch](http://www.crimeflare.org:82/)
 * [Criticism and controversies](https://en.wikipedia.org/wiki/Cloudflare#Criticism_and_controversies), Wikipedia