ENGCOM-2306: [Backport : Changed password placeholder text in checkout page] #16526

 - Merge Pull Request #16526 from hitesh-wagento/magento2:2.1-wrong-password-checkout
 - Merged commits:
   1. 86ed9df
   2. b5902e9

Author: magento-engcom-team

app/code/Magento/Checkout/i18n/en_US.csv

@@ -180,3 +180,4 @@ Payment,Payment
 "Not yet calculated","Not yet calculated"
 "We received your order!","We received your order!"
 "Thank you for your purchase!","Thank you for your purchase!"
+"Password", "Password"

app/code/Magento/Checkout/view/frontend/web/template/form/element/email.html

@@ -39,7 +39,7 @@
                 </label>
                 <div class="control">
                     <input class="input-text"
-                           placeholder="optional"
+                           placeholder="Password"
                            type="password"
                            name="password"
                            id="customer-password"