diff --git a/src/Membership.sol b/src/Membership.sol
index 0ba720f..614253f 100644
--- a/src/Membership.sol
+++ b/src/Membership.sol
@@ -81,10 +81,11 @@ abstract contract MembershipUpgradeable is Initializable {
         address token;
     }
 
-    /// Emitted when a new membership is added to the membership set // FIXME: rateCommitment or membershipRateLimit?
-    /// @param rateCommitment The rateCommitment of the membership
+    /// Emitted when a new membership is added to the membership set
+    /// @param idCommitment the idCommitment of the membership
+    /// @param membershipRateLimit the rate limit of this membership
     /// @param index The index of the membership in the membership set
-    event MembershipRegistered(uint256 idCommitment, uint256 rateCommitment, uint32 index);
+    event MembershipRegistered(uint256 idCommitment, uint256 membershipRateLimit, uint32 index);
 
     /// @notice Emitted when a membership is expired (exceeded its grace period and not extended)
     /// @param idCommitment the idCommitment of the membership
diff --git a/src/WakuRlnV2.sol b/src/WakuRlnV2.sol
index 2eab1d2..a8c1d70 100644
--- a/src/WakuRlnV2.sol
+++ b/src/WakuRlnV2.sol
@@ -201,7 +201,7 @@ contract WakuRlnV2 is Initializable, Ownable2StepUpgradeable, UUPSUpgradeable, M
             nextFreeIndex += 1;
         }
 
-        emit MembershipRegistered(idCommitment, rateCommitment, index);
+        emit MembershipRegistered(idCommitment, rateLimit, index);
     }
 
     /// @notice Returns the root of the Merkle tree that stores rate commitments of memberships