MQE-2122: MFTF 2FA documentation

Author: jilu1

docs/test/actions.md

@@ -1078,7 +1078,7 @@ This action can optionally contain one or more [requiredEntity](#requiredentity)
 Generate one-time password (OTP) based on a saved `secret` at path `magento/tfa/OTP_SHARED_SECRET` in MFTF credential storages.
 The one-time password (OTP) is returned and accessible through the stepkey. 
 
-MFTF use TOTP from [Spomky-Labs/otphp](https://github.com/Spomky-Labs/otphp).
+MFTF use TOTP from [Spomky-Labs/otphp](https://github.com/Spomky-Labs/otphp) if you want to know about this action.
 
 Attribute|Type|Use|Description
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