Update README to reflect USDC.e instead of USDC

README.md

@@ -238,19 +238,19 @@ print(last, len(trades))
 - **Using MetaMask or hardware wallet?** You need to set allowances before trading.
 
 ### What are allowances?
-Think of allowances as permissions. Before Polymarket can move your funds to execute trades, you need to give the exchange contracts permission to access your USDC and conditional tokens.
+Think of allowances as permissions. Before Polymarket can move your funds to execute trades, you need to give the exchange contracts permission to access your USDC.e and conditional tokens.
 
 ### Quick Setup
 You need to approve two types of tokens:
-1. **USDC** (for deposits and trading)
+1. **USDC.e** (for deposits and trading)
 2. **Conditional Tokens** (the outcome tokens you trade)
 
 Each needs approval for the exchange contracts to work properly.
 
 ### Setting Allowances
 Here's a simple breakdown of what needs to be approved:
 
-**For USDC (your trading currency):**
+**For USDC.e (your trading currency):**
 - Token: `0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174`
 - Approve for these contracts:
   - `0x4bFb41d5B3570DeFd03C39a9A4D8dE6Bd8B8982E` (Main exchange)
@@ -270,4 +270,4 @@ See [this Python example](https://gist.github.com/poly-rodr/44313920481de58d5a3f
 - To discover token IDs, use the Markets API Explorer: [Get Markets](https://docs.polymarket.com/developers/gamma-markets-api/get-markets).
 - Prices are in dollars from 0.00 to 1.00. Shares are whole or fractional units of the outcome token.
 
-See [/example](/examples) for more.
+See [/example](/examples) for more.