diff --git a/packages/0x.js/src/contract_wrappers/generated/ether_token.ts b/packages/0x.js/src/contract_wrappers/generated/ether_token.ts
index e613f453f3..fc3e932690 100644
--- a/packages/0x.js/src/contract_wrappers/generated/ether_token.ts
+++ b/packages/0x.js/src/contract_wrappers/generated/ether_token.ts
@@ -1,3 +1,7 @@
+/**
+ * This file is auto-generated using https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts. Don't edit directly.
+ * Templates can be found at https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts-templates.
+ */
 import {BigNumber} from 'bignumber.js';
 import * as Web3 from 'web3';
 
diff --git a/packages/0x.js/src/contract_wrappers/generated/exchange.ts b/packages/0x.js/src/contract_wrappers/generated/exchange.ts
index 8bb2a24a33..bad8735822 100644
--- a/packages/0x.js/src/contract_wrappers/generated/exchange.ts
+++ b/packages/0x.js/src/contract_wrappers/generated/exchange.ts
@@ -1,3 +1,7 @@
+/**
+ * This file is auto-generated using https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts. Don't edit directly.
+ * Templates can be found at https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts-templates.
+ */
 import {BigNumber} from 'bignumber.js';
 import * as Web3 from 'web3';
 
diff --git a/packages/0x.js/src/contract_wrappers/generated/token.ts b/packages/0x.js/src/contract_wrappers/generated/token.ts
index 1248f53a35..ed877ad2be 100644
--- a/packages/0x.js/src/contract_wrappers/generated/token.ts
+++ b/packages/0x.js/src/contract_wrappers/generated/token.ts
@@ -1,3 +1,7 @@
+/**
+ * This file is auto-generated using https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts. Don't edit directly.
+ * Templates can be found at https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts-templates.
+ */
 import {BigNumber} from 'bignumber.js';
 import * as Web3 from 'web3';
 
diff --git a/packages/0x.js/src/contract_wrappers/generated/token_registry.ts b/packages/0x.js/src/contract_wrappers/generated/token_registry.ts
index ec2158bb8c..884cef0f16 100644
--- a/packages/0x.js/src/contract_wrappers/generated/token_registry.ts
+++ b/packages/0x.js/src/contract_wrappers/generated/token_registry.ts
@@ -1,3 +1,7 @@
+/**
+ * This file is auto-generated using https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts. Don't edit directly.
+ * Templates can be found at https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts-templates.
+ */
 import {BigNumber} from 'bignumber.js';
 import * as Web3 from 'web3';
 
diff --git a/packages/0x.js/src/contract_wrappers/generated/token_transfer_proxy.ts b/packages/0x.js/src/contract_wrappers/generated/token_transfer_proxy.ts
index 2e0c294ab5..f77e60815a 100644
--- a/packages/0x.js/src/contract_wrappers/generated/token_transfer_proxy.ts
+++ b/packages/0x.js/src/contract_wrappers/generated/token_transfer_proxy.ts
@@ -1,3 +1,7 @@
+/**
+ * This file is auto-generated using https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts. Don't edit directly.
+ * Templates can be found at https://github.com/0xProject/0x.js/tree/development/packages/typed-contracts-templates.
+ */
 import {BigNumber} from 'bignumber.js';
 import * as Web3 from 'web3';