S5 chores (#161)

* doc: add return value to natspec

* chore: fix a typo

Author: amarinkovic

src/facets/AdminFacet.sol

@@ -161,6 +161,7 @@ contract AdminFacet is Modifiers {
      * @param _userAddress Address being approved to onboard
      * @param _entityId Entity ID being approved for onboarding
      * @param _roleId Role being apprved for onboarding
+     * @return Onboarding approval digest
      */
     function getOnboardingHash(address _userAddress, bytes32 _entityId, bytes32 _roleId) external view returns (bytes32) {
         return LibAdmin._getOnboardingHash(_userAddress, _entityId, _roleId);

src/libs/LibTokenizedVault.sol

@@ -189,7 +189,7 @@ library LibTokenizedVault {
         if (withdrawableDividend > 0) {
             // Bump the withdrawn dividends for the owner
             /// Special Case: (_tokenId == _dividendTokenId), i.e distributing accrued interest for rebasing coins like USDM
-            /// withdrawnDividendPerOwner should be adjusted before tha update, so that the user cannot claim additional dividend based on the amount he just received as dividend
+            /// withdrawnDividendPerOwner should be adjusted before the update, so that the user cannot claim additional dividend based on the amount he just received as dividend
             /// dividend is calculated based on a ratio between users balance and the total, but in this case claiming the dividend his balance increases and
             /// thus his share of the total increases as well, which entitles him to claim more of the dividend, potentially draining out the entirety of it if repeated infinitely
             if (_tokenId == _dividendTokenId) {