diff --git a/README.md b/README.md
index c6078be..feaf73e 100644
--- a/README.md
+++ b/README.md
@@ -292,7 +292,7 @@ sequenceDiagram
     actor Admin as Initial Administrator
     participant FE as Frontend (Yew)
     participant BE as Backend (Axum)
-    database DB as Database (Postgres)
+    participant DB@{"type": "database", "alias": "Database"}
 
     Note over Admin, DB: System Initialization Flow
     FE->>BE: GET /api/check-admin
@@ -314,10 +314,10 @@ sequenceDiagram
 ```mermaid
 sequenceDiagram
     autonumber
-    actor User as User / Admin
+    actor User 
     participant FE as Frontend (Yew)
     participant BE as Backend (Axum)
-    database DB as Database (Postgres)
+    participant DB@{"type": "database", "alias": "Database"} 
 
     Note over User, DB: Authentication & Cookie Session Setup
     User->>FE: Enter username & password
@@ -346,7 +346,7 @@ sequenceDiagram
     actor Admin as Administrator
     participant FE as Frontend (Yew)
     participant BE as Backend (Axum)
-    database DB as Database (Postgres)
+    participant DB@{"type": "database", "alias": "Database"} 
 
     Note over User, DB: Ticket Creation Flow (Protected Route)
     User->>FE: Fill out ticket form & submit