minor fixes, remove todo

Author: tejasbadadare

pages/entropy/create-your-first-entropy-app.mdx

@@ -300,7 +300,7 @@ sequence    : 42
 result      : Tails
 ```
 
-Note that: the script can fail due to some rpc issues. You can run the script again to get the expected result.
+Note that: the script can fail due to transient RPC issues. You can run the script again to get the expected result.
 
 ## Next Steps
 

pages/entropy/current-fees.mdx

@@ -8,7 +8,7 @@ Note that the fees shown below will vary over time with prevailing gas prices on
 ## Mainnet
 
 <Callout emoji="⚠️">
-  The fees for mainnet are dynamically set. Always use the on-chain method `entropy.getFee(entropyProvider){:solidity}` to get the current fee.
+  The fees for mainnet are dynamically set. Always use the on-chain method `entropy.getFeeV2(){:solidity}` to get the current fee.
 </Callout>
 
 <EntropyFeeTable

pages/entropy/debug-callback-failures.mdx

@@ -2,8 +2,6 @@
 
 import { Callout } from "nextra/components";
 
-# TODO: replace this whole page with a guide about how to use the entropy explorer
-
 <Callout type="info" emoji="🔍">
   **Quick Debug Tool**: Use the [Entropy
   Debugger](https://entropy-debugger.pyth.network/) to quickly diagnose and