fix: Fix some Natspec header comments

src/Governance.sol

@@ -339,7 +339,8 @@ contract Governance is Multicall, UserProxyFactory, ReentrancyGuard, Ownable, IG
         return max(_votes * VOTING_THRESHOLD_FACTOR / WAD, minVotes);
     }
 
-    // Snapshots votes for the previous epoch and accrues funds for the current epoch
+    // Snapshots votes at the end of the previous epoch
+    // Accrues funds until the first activity of the current epoch, which are valid throughout all of the current epoch
     function _snapshotVotes() internal returns (VoteSnapshot memory snapshot, GlobalState memory state) {
         bool shouldUpdate;
         (snapshot, state, shouldUpdate) = getTotalVotesAndState();

src/utils/DoubleLinkedList.sol

@@ -33,15 +33,15 @@ library DoubleLinkedList {
         return list.items[0].next;
     }
 
-    /// @notice Returns the item id which follows item `id`. Returns the head item id of the list if the `id` is 0.
+    /// @notice Returns the item id which follows item `id`. Returns the tail item id of the list if the `id` is 0.
     /// @param list Linked list which contains the items
     /// @param id Id of the current item
     /// @return _ Id of the current item's next item
     function getNext(List storage list, uint16 id) internal view returns (uint16) {
         return list.items[id].next;
     }
 
-    /// @notice Returns the item id which precedes item `id`. Returns the tail item id of the list if the `id` is 0.
+    /// @notice Returns the item id which precedes item `id`. Returns the head item id of the list if the `id` is 0.
     /// @param list Linked list which contains the items
     /// @param id Id of the current item
     /// @return _ Id of the current item's previous item