Update access_guide.md

docs/access_guide.md

@@ -8,20 +8,20 @@ The following steps show how to access the Cell Type Knowledge Graph.
 
    ![img_4](https://github.com/user-attachments/assets/91ac70b7-a36c-4ff9-b1eb-6b388d584855)
 
-3. In the **Connect URL** field, enter:
+2. In the **Connect URL** field, enter:
 
    ```
    cl-kg-neo4j-db.cellgeni.sanger.ac.uk:443
    ```
 
    ![img_2](https://github.com/user-attachments/assets/ee301c47-04b7-4080-a6a5-2391678954b4)
 
-4. You don't need to enter any credentials. Simply click on the **Connect** button to proceed. You 
+3. You don't need to enter any credentials. Simply click on the **Connect** button to proceed. You 
    will see the following screen once you connect.
 
    ![img_6](https://github.com/user-attachments/assets/d1d9e99a-353e-4dd5-bcd4-970f97b3f204)
 
-5. After connecting, use the query box at the top of the interface to run your queries and 
+4. After connecting, use the query box at the top of the interface to run your queries and 
    explore the Knowledge Graph (KG).
 
    ![img_7](https://github.com/user-attachments/assets/f15dfec7-2930-43d8-a2ab-359b04ca9e01)