diff --git a/README.md b/README.md
index cf820e6..47d9fa6 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,13 @@ Then
And use `wrap-open-cors` as middleware.
+## Limitations
+
+There is a bug with Safari.
+The only way to make it works is by using a _very_ dirty trick:
+
+