fix mermaid error

charter/packages/kyverno/Architecture.md

@@ -9,7 +9,7 @@ Kyverno is a policy engine designed for Kubernetes, where policies are managed a
 ```mermaid
 graph LR
   subgraph "Kubernetes API Server"    
-    Operator("AdmissionReview") 
+    admissionReview("AdmissionReview") 
     Policy("Policy")
   end      
 
@@ -18,7 +18,7 @@ graph LR
   end
 
   subgraph "Kyverno"
-    Operator("AdmissionReview") --> webhook("WebHook")
+    admissionReview("AdmissionReview") --> webhook("WebHook")
     Policy("Policy") --> policyController{{PolicyController}} 
     generateController{{GenerateController}}
   end