diff --git a/contracts/rewards/RewardsDistributor.sol b/contracts/rewards/RewardsDistributor.sol
index ccb60db8..60fcf314 100644
--- a/contracts/rewards/RewardsDistributor.sol
+++ b/contracts/rewards/RewardsDistributor.sol
@@ -482,6 +482,7 @@ abstract contract RewardsDistributor is IRewardsDistributor {
 
   /**
    * @dev Calculates the next value of an specific distribution index, with validations
+   * @param rewardData Storage pointer to the distribution reward config
    * @param totalSupply of the asset being rewarded
    * @param assetUnit One unit of asset (10**decimals)
    * @return The new index.