update changelog and small fix

Author: akaladarshi

CHANGELOG.md

@@ -36,6 +36,7 @@
 ### Changed
 
 - [#5467](https://github.com/ChainSafe/forest/pull/5467) Improve error message for `Filecoin.EthEstimateGas` and `Filecoin.EthCall`.
+- [#5587](https://github.com/ChainSafe/forest/pull/5587) Retrieve state root from child tipset rather than recomputing when possible
 
 ### Removed
 

src/state_manager/mod.rs

@@ -1778,7 +1778,7 @@ where
             heaviest,
             ResolveNullTipset::TakeNewer,
         ) {
-            // verify the parent state of the next tipset is the same as the current tipset
+            // verify that the parent of the `next_tipset` is the same as the current tipset
             if !next_tipset.parents().eq(tipset.key()) {
                 return None;
             }