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packages/instant/src/components/erc20_asset_amount_input.tsx

@@ -65,6 +65,7 @@ export class ERC20AssetAmountInput extends React.Component<ERC20AssetAmountInput
                         onAmountChange={this._handleChange}
                         onFontSizeChange={this._handleFontSizeChange}
                         hasAutofocus={true}
+                        /* We send in a key of asset data to force a rerender of this component when the user selects a new asset.  We do this so the autofocus attribute will bring focus onto this input */
                         key={asset.assetData}
                     />
                 </Container>