Add missing doc comments

1 files changed, 8 insertions, 0 deletions

diff --git a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts
index 17bda5085..7ff0ee72e 100644
--- a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts
@@ -34,6 +34,14 @@ export class ERC20TokenWrapper extends ContractWrapper {
     public UNLIMITED_ALLOWANCE_IN_BASE_UNITS = constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
     private _tokenContractsByAddress: { [address: string]: ERC20TokenContract };
     private _erc20ProxyWrapper: ERC20ProxyWrapper;
+    /**
+     * Instantiate ERC20TokenWrapper. We recommend you don't instantiate this yourself, rather
+     * use it through the ContractWrappers class property (contractWrappers.erc20Token).
+     * @param web3Wrapper Web3Wrapper instance to use
+     * @param networkId Desired networkId
+     * @param erc20ProxyWrapper The ERC20ProxyWrapper instance to use
+     * @param blockPollingIntervalMs The block polling interval to use for active subscriptions
+     */
     constructor(
         web3Wrapper: Web3Wrapper,
         networkId: number,