MAGETWO-50222: [Github][PR] Process public PRs #3647 #3453 #3205

- changed README text according to doc feedback

README.md

@@ -75,7 +75,7 @@ To suggest documentation improvements, click [here][4].
 
 <h2>Reporting security issues</h2>
 
-To report security vulnerabilities in Magento software or web sites, please email <a href="mailto:security@magento.com">security@magento.com</a>. Please do not report security issues through GitHub. Be sure to encrypt your email with our <a href="https://info2.magento.com/rs/magentoenterprise/images/security_at_magento.asc">encryption key</a> if it includes sensitive info. Learn more about reporting security issues <a href="https://magento.com/security/reporting-magento-security-issue">here</a>.
+To report security vulnerabilities in Magento software or web sites, please e-mail <a href="mailto:security@magento.com">security@magento.com</a>. Please do not report security issues using GitHub. Be sure to encrypt your e-mail with our <a href="https://info2.magento.com/rs/magentoenterprise/images/security_at_magento.asc">encryption key</a> if it includes sensitive information. Learn more about reporting security issues <a href="https://magento.com/security/reporting-magento-security-issue">here</a>.
 
-Stay up to date on the latest vulnerabilities and patches for Magento by signing up for <a href="https://magento.com/security/sign-up">Security Alert Notifications</a>.
+Stay up-to-date on the latest vulnerabilities and patches for Magento by signing up for <a href="https://magento.com/security/sign-up">Security Alert Notifications</a>.