diff --git a/packages/horizon/contracts/data-service/interfaces/IDataServiceRescuable.sol b/packages/horizon/contracts/data-service/interfaces/IDataServiceRescuable.sol
index 07e97ee8c..67026f2d4 100644
--- a/packages/horizon/contracts/data-service/interfaces/IDataServiceRescuable.sol
+++ b/packages/horizon/contracts/data-service/interfaces/IDataServiceRescuable.sol
@@ -11,6 +11,10 @@ import { IDataService } from "./IDataService.sol";
 interface IDataServiceRescuable is IDataService {
     /**
      * @notice Emitted when tokens are rescued from the contract.
+     * @param from The address initiating the rescue
+     * @param to The address receiving the rescued tokens
+     * @param token The address of the token being rescued
+     * @param tokens The amount of tokens rescued
      */
     event TokensRescued(address indexed from, address indexed to, address token, uint256 tokens);
 
diff --git a/packages/horizon/contracts/interfaces/IPaymentsEscrow.sol b/packages/horizon/contracts/interfaces/IPaymentsEscrow.sol
index 40394900f..cae2558e7 100644
--- a/packages/horizon/contracts/interfaces/IPaymentsEscrow.sol
+++ b/packages/horizon/contracts/interfaces/IPaymentsEscrow.sol
@@ -38,9 +38,15 @@ interface IPaymentsEscrow {
      * @notice Emitted when a payer authorizes a collector to collect funds
      * @param payer The address of the payer
      * @param collector The address of the collector
-     * @param allowance The number of tokens the collector is allowed to collect
+     * @param addedAllowance The amount of tokens added to the collector's allowance
+     * @param newTotalAllowance The new total allowance after addition
      */
-    event AuthorizedCollector(address indexed payer, address indexed collector, uint256 allowance);
+    event AuthorizedCollector(
+        address indexed payer,
+        address indexed collector,
+        uint256 addedAllowance,
+        uint256 newTotalAllowance
+    );
 
     /**
      * @notice Emitted when a payer thaws a collector
diff --git a/packages/horizon/contracts/payments/PaymentsEscrow.sol b/packages/horizon/contracts/payments/PaymentsEscrow.sol
index 4b76e2bc6..0c775cd47 100644
--- a/packages/horizon/contracts/payments/PaymentsEscrow.sol
+++ b/packages/horizon/contracts/payments/PaymentsEscrow.sol
@@ -82,7 +82,7 @@ contract PaymentsEscrow is Initializable, MulticallUpgradeable, GraphDirectory,
         require(allowance != 0, PaymentsEscrowInvalidZeroTokens());
         Collector storage collector = authorizedCollectors[msg.sender][collector_];
         collector.allowance += allowance;
-        emit AuthorizedCollector(msg.sender, collector_, collector.allowance);
+        emit AuthorizedCollector(msg.sender, collector_, allowance, collector.allowance);
     }
 
     /**