Update README.md

Author: shivareddy2002

README.md

@@ -41,7 +41,7 @@ User Input ➡️ Input Handling ➡️ API Request ➡️ Response Processing 
 
 <p align="center">
   <img width="278" alt="PICTOPEDIA UI" src="https://github.com/user-attachments/assets/c9e79365-bc9d-4468-be03-61aea052b0c4" />
-  <img src="https://github.com/shivareddy2002/Word-Search-Chatbot-Using-Wikipedia/blob/main/workflow.png" alt="PICTOPEDIA Workflow Diagram" width="500"/>
+  <img src="https://github.com/shivareddy2002/Word-Search-Chatbot-Using-Wikipedia/blob/main/workflow.png" alt="PICTOPEDIA Workflow Diagram" width="600"/>
 </p>
 
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