update fee structure

yield.md

@@ -43,4 +43,26 @@ Contracts have been audited by [yAudit](https://reports.yaudit.dev/reports/10-20
 
 ### Fee Structure
 
-Sickle charges 9 basis points (0.09%) on deposits and withdrawals, and 90 bps (0.9%) on compounds and harvests.
+Depending on your choice of deposit or withdrawal method, there may be a charge, according to the table below:
+
+| Method | Fee |
+| --- | --- |
+| Deposit LP token or NFT | 0% |
+| Deposit both underlying tokens | 0% |
+| Deposit other token (swap takes place) | 0.09% |
+| Withdraw LP token or NFT | 0% |
+| Withdraw to both underlying tokens | 0% | 
+| Withdraw to single token (swap takes place) | 0.09% |
+
+Other actions always carry a fee, as below:
+
+| Action | Fee |
+| --- | --- |
+| Harvest | 0.9% of rewards |
+| Compound | 0.9% of rewards |
+| Rebalance <0.05% fee pool | 0.01% of position |
+| Rebalance <0.3% fee pool | 0.03% of position |
+| Rebalance higher fee pool | 0.05% of position |
+| Auto-Harvest | 1.2% of rewards |
+| Auto-Compound | 1.8% of rewards |
+| Auto-Rebalance | Same as manual |