Update README.md

Author: mahdis-saeedi

docs/survey/graph/README.md

@@ -2,9 +2,12 @@ This repository contains supplementary materials for our published survey paper:
 
 
 <h1 align="center" style="border-bottom: none;">
-  <a href="https://(https://hosseinfani.github.io/res/papers/2025_CSUR_A_Survey_of_Subgraph_Optimization_for_Expert_Team_Formation.pdf)"><strong>A Survey of Subgraph Optimization for Expert Team Formation</strong></a>
+  <a href="https://hosseinfani.github.io/res/papers/2025_CSUR_A_Survey_of_Subgraph_Optimization_for_Expert_Team_Formation.pdf">
+    <strong>A Survey of Subgraph Optimization for Expert Team Formation</strong>
+  </a>
 </h1>
 
+
 ![#25D9C8](https://placehold.co/15x15/25D9C8/25D9C8.png) **Journal Highlight** 
 
 > **[ACM Computing Surveys](https://dl.acm.org/journal/csur):**