need to improve this section later

advanced_expert/vulnerabilities/delegatecall/README.md

@@ -3,7 +3,12 @@
 <br>
 
 
-#### 🖤 This is my favorite vuln 
+
+<p align="center">
+<img src="https://github.com/go-outside-labs/blockchain-auditing/assets/138340846/405335ca-a1c7-4d3c-83fb-4b96ee13a384" width="55%" align="center" style="padding:1px;border:1px solid black;"/>
+ </p>
+
+
 
 <br>
 
@@ -14,13 +19,18 @@
 
 1. Call to untrusted contracts may introduce unexpected risks and errors.
 2. External calls controlled by an attacker may force a contract to transition into an undefined state.
-3. Types of external calls: `STATIC CALL` and `DELEGATE CALL`.
-4. Using DELEGATE CALL, contract can preserve the storage state while using the logic of the contract. This introduces the concept of Proxies.
+3. Types of external calls: `STATICCALL` and `DELEGATECALL`.
+4. Using `DELEGATECALL`, contract can preserve the storage state while using the logic of the contract. This introduces the concept of Proxies.
 5. The proxy contract redirects all the calls it receives to an "logic contract", whose address is stored in its "proxy contract". The proxy runs the "logic contract"'s code as its own (modifying its storage and the balance of the "proxy contract").
 
 <br>
 
+<p align="center">
 <img width="600"  src="https://user-images.githubusercontent.com/1130416/190880608-1b511a87-d91e-4ae4-8714-08cd7e8eec89.png">
+ </p>
+
+
+
 
 
 <br>