Remove SMS from sudo option docs (#37620)

Co-authored-by: Anne-Marie  <102995847+am-stead@users.noreply.github.com>
Co-authored-by: Melanie Yarbrough <11952755+myarb@users.noreply.github.com>

content/authentication/keeping-your-account-and-data-secure/sudo-mode.md

@@ -21,6 +21,7 @@ To maintain the security of your account when you perform a potentially sensitiv
 - Modification of an associated email address
 - Authorization of a third-party application
 - Addition of a new SSH key
+- Creation of a PAT or application
 
 After you authenticate to perform a sensitive action, your session is temporarily in "sudo mode." In sudo mode, you can perform sensitive actions without authentication. {% data variables.product.product_name %} will wait a few hours before prompting you for authentication again. During this time, any sensitive action that you perform will reset the timer.
 
@@ -80,12 +81,14 @@ You must install and sign into {% data variables.product.prodname_mobile %} to c
 
 ### Confirming access using a 2FA code
 
-You must configure 2FA using a TOTP mobile app{% ifversion fpt or ghec %} or text messages{% endif %} to confirm access to your account for sudo mode using a 2FA code. For more information, see "[AUTOTITLE](/authentication/securing-your-account-with-two-factor-authentication-2fa/configuring-two-factor-authentication)."
+You must configure 2FA using a TOTP mobile app to confirm access to your account for sudo mode using a 2FA code. For more information, see "[AUTOTITLE](/authentication/securing-your-account-with-two-factor-authentication-2fa/configuring-two-factor-authentication)."
 
-When prompted to authenticate for sudo mode, type the authentication code from your TOTP mobile app{% ifversion fpt or ghec %} or the text message{% endif %}, then click **Verify**.
+When prompted to authenticate for sudo mode, type the authentication code from your TOTP mobile app, then click **Verify**.
 
+{% ifversion fpt or ghec %}Text messages are not supported for use on the sudo prompt. If you have registered SMS as the only 2FA method on your account, you'll be asked for your password to enter sudo mode.
+{% endif %}
 ### Confirming access using your password
 
 {% endif %}
 
-When prompted to authenticate for sudo mode, type your password, then click **Confirm**.
+When prompted to authenticate for sudo mode, type your password, then click **Confirm**.