diff --git a/app/code/Magento/SendFriend/etc/adminhtml/system.xml b/app/code/Magento/SendFriend/etc/adminhtml/system.xml
index 785b7a8bb40c8..564f7bd306f8b 100644
--- a/app/code/Magento/SendFriend/etc/adminhtml/system.xml
+++ b/app/code/Magento/SendFriend/etc/adminhtml/system.xml
@@ -13,8 +13,11 @@
             <resource>Magento_Config::sendfriend</resource>
             <group id="email" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1">
                 <label>Email Templates</label>
-                <field id="enabled" translate="label" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                <field id="enabled" translate="label comment" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Enabled</label>
+                    <comment>
+                        <![CDATA[We strongly recommend to enable a <a href="https://devdocs.magento.com/guides/v2.2/security/google-recaptcha.html" target="_blank">CAPTCHA solution</a> alongside enabling "Email to a Friend" to ensure abuse of this feature does not occur.]]>
+                    </comment>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                 </field>
                 <field id="template" translate="label comment" type="select" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
diff --git a/app/code/Magento/SendFriend/i18n/en_US.csv b/app/code/Magento/SendFriend/i18n/en_US.csv
index eee540c89a7b0..24fdea50be536 100644
--- a/app/code/Magento/SendFriend/i18n/en_US.csv
+++ b/app/code/Magento/SendFriend/i18n/en_US.csv
@@ -45,3 +45,5 @@ Enabled,Enabled
 "Max Recipients","Max Recipients"
 "Max Products Sent in 1 Hour","Max Products Sent in 1 Hour"
 "Limit Sending By","Limit Sending By"
+"We strongly recommend to enable a <a href=""%1"" target="_blank">CAPTCHA solution</a> alongside enabling ""Email to a Friend"" to ensure abuse of this feature does not occur.","We strongly recommend to enable a <a href=""%1"" target="_blank">CAPTCHA solution</a> alongside enabling ""Email to a Friend"" to ensure abuse of this feature does not occur."
+