diff --git a/contracts/libraries/AddressArray.sol b/contracts/libraries/AddressArray.sol
index dc21b3cf..9b8c3c62 100644
--- a/contracts/libraries/AddressArray.sol
+++ b/contracts/libraries/AddressArray.sol
@@ -1,36 +1,60 @@
-// SPDX-License-Identifier: MIT
-
-pragma solidity ^0.8.0;
-
-/// @title Library that implements address array on mapping, stores array length at 0 index.
+/**
+ * @title Library that implements address array on mapping, stores array length at 0 index.
+ */
 library AddressArray {
+    /**
+     * @dev Error messages for different scenarios
+     * IndexOutOfBounds - raised when index is out of bounds
+     * PopFromEmptyArray - raised when pop is called on empty array
+     * OutputArrayTooSmall - raised when output array is too small
+     */
     error IndexOutOfBounds();
     error PopFromEmptyArray();
     error OutputArrayTooSmall();
 
-    /// @dev Data struct containing raw mapping.
+    /**
+     * @dev Data struct containing raw mapping.
+     */
     struct Data {
         mapping(uint256 => uint256) _raw;
     }
 
-    /// @dev Length of array.
-    function length(Data storage self) internal view returns (uint256) {
-        return self._raw[0] >> 160;
+    /**
+     * @dev Returns length of the array.
+     * @param self The `Data` struct containing raw mapping
+     * @return length The length of the array.
+     */
+    function length(Data storage self) internal view returns (uint256 length) {
+        length = self._raw[0] >> 160;
     }
 
-    /// @dev Returns data item from `self` storage at `i`.
+    /**
+     * @dev Returns data item from `self` storage at `i`.
+     * @param self The `Data` struct containing raw mapping
+     * @param i The index of the item to retrieve
+     * @return address The address at the specified index
+     */
     function at(Data storage self, uint256 i) internal view returns (address) {
         return address(uint160(self._raw[i]));
     }
 
-    /// @dev Returns list of addresses from storage `self`.
+    /**
+     * @dev Returns list of addresses from storage `self`.
+     * @param self The `Data` struct containing raw mapping
+     * @return arr The list of addresses from storage `self`
+     */
     function get(Data storage self) internal view returns (address[] memory arr) {
         uint256 lengthAndFirst = self._raw[0];
         arr = new address[](lengthAndFirst >> 160);
         _get(self, arr, lengthAndFirst);
     }
 
-    /// @dev Puts list of addresses from `self` storage into `output` array.
+    /**
+     * @dev Puts list of addresses from `self` storage into `output` array.
+     * @param self The `Data` struct containing raw mapping
+     * @param output The output array to store the list of addresses from `self`
+     * @return output The output array containing the list of addresses from `self`
+     */
     function get(Data storage self, address[] memory output) internal view returns (address[] memory) {
         return _get(self, output, self._raw[0]);
     }
@@ -53,7 +77,12 @@ library AddressArray {
         return output;
     }
 
-    /// @dev Array push back `account` operation on storage `self`.
+    /**
+     * @dev Adds `account` to the end of the array in storage `self`.
+     * @param self The `Data` struct containing raw mapping
+     * @param account The address to be added to the end of the array in storage `self`
+     * @return len The length of the array after adding the address
+     */
     function push(Data storage self, address account) internal returns (uint256) {
         unchecked {
             uint256 lengthAndFirst = self._raw[0];
@@ -68,7 +97,10 @@ library AddressArray {
         }
     }
 
-    /// @dev Array pop back operation for storage `self`.
+  /**
+     * @dev Array pop back operation for storage `self`.
+     * @param self The address array in storage to pop an element from.
+     */
     function pop(Data storage self) internal {
         unchecked {
             uint256 lengthAndFirst = self._raw[0];
@@ -81,12 +113,13 @@ library AddressArray {
         }
     }
 
-    /// @dev Set element for storage `self` at `index` to `account`.
-    function set(
-        Data storage self,
-        uint256 index,
-        address account
-    ) internal {
+    /**
+     * @dev Set element for storage `self` at `index` to `account`.
+     * @param self The address array in storage to set an element in.
+     * @param index The index of the element to set.
+     * @param account The new address to set at the specified index.
+     */
+    function set(Data storage self, uint256 index, address account) internal {
         uint256 len = length(self);
         if (index >= len) revert IndexOutOfBounds();