diff --git a/bin/compile b/bin/compile
index 36809f2..40e43a6 100755
--- a/bin/compile
+++ b/bin/compile
@@ -15,10 +15,11 @@ BUILDPACK_DIR="$(dirname $(dirname $0))"
 
 if ! command -v stunnel4 > /dev/null; then
 
-    echo "! This buildpack uses stunnel, which isn’t supported on heroku-24 and later."
-    echo "! You don’t need this buildpack for Redis 6+. Remove it with the command:"
-    echo "! $ heroku buildpacks:remove heroku/redis"
-    echo "! To use Redis’ native TLS support, see https://devcenter.heroku.com/articles/heroku-redis#security-and-compliance."
+    echo "! This buildpack uses stunnel, which isn’t supported on heroku-24 and later." >&2
+    echo "! You don’t need this buildpack for Redis 6+. Remove it with the command:" >&2
+    echo "! $ heroku buildpacks:remove heroku/redis" >&2
+    echo "! To use Redis’ native TLS support, see https://devcenter.heroku.com/articles/heroku-redis#security-and-compliance:" >&2
+    echo "! https://devcenter.heroku.com/articles/heroku-redis#security-and-compliance" >&2
 
     exit 1
 fi