diff --git a/mastodon.nix b/mastodon.nix
index 8296604..6bf7993 100644
--- a/mastodon.nix
+++ b/mastodon.nix
@@ -8,7 +8,7 @@ let
       src = pkgs.fetchgit {
         url = "https://github.com/mastodon/mastodon.git";
         rev = "v${pkgs.mastodon.version}";
-        # sha256 mismatch will not allow automatic updates on every
+        # sha256 mismatch should not allow automatic updates on every
         # new Mastodon release. We don't want to have problems with
         # updated dependencies in the unstable channel.
         sha256 = "sha256-a3EpeTQBCP+J4Gde/iixcg3VUhZbw4DwbZp8GDRAzAI=";