Update README.md

Author: s-r-e-e-r-a-j

README.md

@@ -36,7 +36,7 @@ ls /usr/share/exploitdb /usr/local/share/exploitdb /var/lib/exploitdb /opt/explo
 ```
 If the check reports "Exploit-DB data directory not found", clone the official Exploit-DB repo to /opt with:
 ```
-sudo git clone https://gitlab.com/exploit-database/exploitdb.git /opt/exploitdb
+sudo git clone https://gitlab.com/exploit-database/exploitdb.git /opt/exploitdb && chmod -R o+rX /opt/exploitdb
 ```
 Or install it with your package manager (examples):
 ```bash