Fix the link to forum_subscriptions.md in migration/wsc54/php.md

diff --git a/docs/migration/wsc54/php.md b/docs/migration/wsc54/php.md
index 8af154abc5f8fbdb55d9ca526c0dd3d51a139788..1c180141f91eecd7bf9f21b82ffbafdb92c1f2a1 100644 (file)
--- a/docs/migration/wsc54/php.md
+++ b/docs/migration/wsc54/php.md
@@ -358,7 +358,8 @@ Note that when deleting phrases, the category does not have to be specified beca
 
 ## Board and Thread Subscriptions
 
-See [here](form_subscriptions.md) for details.
+WoltLab Suite Forum 5.5 updates the subscription logic for boards and threads to properly support the ignoring of threads.
+See the [dedicated migration guide](forum_subscriptions.md) for details.
 
 ## Miscellaneous Changes