diff --git a/langs/hack.yaml.disabled b/langs/hack.yaml.disabled
index 5cbcd53..a26768e 100644
--- a/langs/hack.yaml.disabled
+++ b/langs/hack.yaml.disabled
@@ -1,3 +1,5 @@
+# Disabled due to https://github.com/facebook/hhvm/issues/8796
+
 id: "hack"
 aliases:
   - "hhvm"