diff --git a/apps/contracts/contracts/interfaces/IX2EarnRewardsPool.sol b/apps/contracts/contracts/interfaces/IX2EarnRewardsPool.sol
index 49d365e..286cea4 100644
--- a/apps/contracts/contracts/interfaces/IX2EarnRewardsPool.sol
+++ b/apps/contracts/contracts/interfaces/IX2EarnRewardsPool.sol
@@ -108,7 +108,7 @@ interface IX2EarnRewardsPool {
         bytes32 appId,
         uint256 amount,
         address receiver,
-        string[] memory proofTypes, // link, photo, video, text, etc.
+        string[] memory proofTypes, // link, image, video, text, etc.
         string[] memory proofValues, // "https://...", "Qm...", etc.,
         string[] memory impactCodes, // carbon, water, etc.
         uint256[] memory impactValues, // 100, 200, etc.,