Merge forwardport of #12387 to 2.3-develop branch

Applied pull request patch https://github.com/magento/magento2/pull/12387.patch (created by @RhodriOwainDavies) based on commit(s):
  1. ff73459

Author: magento-engcom-team

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

@@ -4,10 +4,10 @@ Always,Always
 "Incorrect CAPTCHA","Incorrect CAPTCHA"
 "Incorrect CAPTCHA.","Incorrect CAPTCHA."
 "The account is locked. Please wait and try again or contact %1.","The account is locked. Please wait and try again or contact %1."
-"Please enter the letters from the image","Please enter the letters from the image"
+"Please enter the letters and numbers from the image","Please enter the letters and numbers from the image"
 "<strong>Attention</strong>: Captcha is case sensitive.","<strong>Attention</strong>: Captcha is case sensitive."
 "Reload captcha","Reload captcha"
-"Please type the letters below","Please type the letters below"
+"Please type the letters and numbers below","Please type the letters and numbers below"
 "Attention: Captcha is case sensitive.","Attention: Captcha is case sensitive."
 CAPTCHA,CAPTCHA
 "Enable CAPTCHA in Admin","Enable CAPTCHA in Admin"

app/code/Magento/Captcha/view/adminhtml/templates/default.phtml

@@ -13,7 +13,7 @@ $captcha = $block->getCaptchaModel();
 ?>
 <div class="admin__field _required">
     <label for="captcha" class="admin__field-label">
-        <span><?= $block->escapeHtml(__('Please enter the letters from the image')) ?></span>
+        <span><?= $block->escapeHtml(__('Please enter the letters and numbers from the image')) ?></span>
     </label>
     <div class="admin__field-control">
         <input

app/code/Magento/Captcha/view/frontend/templates/default.phtml

@@ -12,7 +12,7 @@
 $captcha = $block->getCaptchaModel();
 ?>
 <div class="field captcha required" role="<?= $block->escapeHtmlAttr($block->getFormId()) ?>">
-    <label for="captcha_<?= $block->escapeHtmlAttr($block->getFormId()) ?>" class="label"><span><?= $block->escapeHtml(__('Please type the letters below')) ?></span></label>
+    <label for="captcha_<?= $block->escapeHtmlAttr($block->getFormId()) ?>" class="label"><span><?= $block->escapeHtml(__('Please type the letters and numbers below')) ?></span></label>
     <div class="control captcha">
         <input name="<?= $block->escapeHtmlAttr(\Magento\Captcha\Helper\Data::INPUT_NAME_FIELD_VALUE) ?>[<?= $block->escapeHtmlAttr($block->getFormId()) ?>]" type="text" class="input-text required-entry" data-validate="{required:true}" id="captcha_<?= $block->escapeHtmlAttr($block->getFormId()) ?>" />
         <div class="nested">
@@ -23,7 +23,7 @@ $captcha = $block->getCaptchaModel();
                                             "imageLoader": "<?= $block->escapeUrl($block->getViewFileUrl('images/loader-2.gif')) ?>",
                                              "type": "<?= $block->escapeHtmlAttr($block->getFormId()) ?>"}}'>
                 <div class="control captcha-image">
-                    <img alt="<?= $block->escapeHtmlAttr(__('Please type the letters below')) ?>" class="captcha-img" height="<?= /* @noEscape */ (float) $block->getImgHeight() ?>" src="<?= $block->escapeUrl($captcha->getImgSrc()) ?>"/>
+                    <img alt="<?= $block->escapeHtmlAttr(__('Please type the letters and numbers below')) ?>" class="captcha-img" height="<?= /* @noEscape */ (float) $block->getImgHeight() ?>" src="<?= $block->escapeUrl($captcha->getImgSrc()) ?>"/>
                     <button type="button" class="action reload captcha-reload" title="<?= $block->escapeHtmlAttr(__('Reload captcha')) ?>"><span><?= $block->escapeHtml(__('Reload captcha')) ?></span></button>
                 </div>
             </div>

app/code/Magento/Captcha/view/frontend/web/template/checkout/captcha.html

@@ -6,15 +6,15 @@
 -->
 <!-- ko if: (isRequired() && getIsVisible())-->
 <div class="field captcha required" data-bind="blockLoader: getIsLoading()">
-    <label data-bind="attr: {for: 'captcha_' + formId}" class="label"><span data-bind="i18n: 'Please type the letters below'"></span></label>
+    <label data-bind="attr: {for: 'captcha_' + formId}" class="label"><span data-bind="i18n: 'Please type the letters and numbers below'"></span></label>
     <div class="control captcha">
         <input name="captcha_string" type="text" class="input-text required-entry" data-bind="value: captchaValue(), attr: {id: 'captcha_' + formId, 'data-scope': dataScope}" />
         <input name="captcha_form_id" type="hidden" data-bind="value: formId,  attr: {'data-scope': dataScope}" />
         <div class="nested">
             <div class="field captcha no-label">
                 <div class="control captcha-image">
                     <img data-bind="attr: {
-                                        alt: $t('Please type the letters below'),
+                                        alt: $t('Please type the letters and numbers below'),
                                         height: imageHeight(),
                                         src: getImageSource(),
                                         }"