Update cali-train.md

contribution/mobile/en/tutorial/cali-train.md

@@ -6,7 +6,13 @@ The system will deploy each buff in increments, with intervals of 40 minutes, SL
 ### How do I know when will the Calibration Train Fund start?
 
 You can see the starting time at the title of the fund meter as shown below:
+
 ![image](https://github.com/DexterHuang/CyberCodeOnline/assets/18545294/af9a08d6-b5ad-4f34-af82-57caa48cd606)
 
 the time is shown in your device's local time, so please ensure your device has the correct timezone to get the correct timing.
 once the fundraising has reached 100%, the calibration train will start at the next designated time of the said calibration fund.
+
+### How do I contribute to the Calibration Train Fund?
+You may visit the Calibration NPC (Kamiko) or click the progress meter at your quest tab here you can choose which funding round to contribute to:
+
+![image](https://github.com/DexterHuang/CyberCodeOnline/assets/18545294/4fd43e36-cbf6-4f2e-ae5c-cd5c4555cdb4)