Updated website docs and ensured ToLower is used for true comparison

physical/mysql/mysql.go

@@ -260,7 +260,7 @@ func NewMySQLClient(conf map[string]string, logger log.Logger) (*sql.DB, error)
 		dsnParams.Add("tls", mysqlTLSKey)
 	}
 	ptAllowed, ptOk := conf["plaintext_connection_allowed"]
-	if !(ptOk && ptAllowed == "true") && !tlsOk {
+	if !(ptOk && strings.ToLower(ptAllowed) == "true") && !tlsOk {
 		logger.Warn("No TLS specified, credentials will be sent in plaintext. To mute this warning add 'plaintext_connection_allowed' with a true value to your MySQL configuration in your config file.")
 	}
 

website/pages/docs/configuration/storage/mysql.mdx

@@ -47,8 +47,10 @@ storage "mysql" {
 
 - `plaintext_credentials_transmission` `(string: "")` - Provides authorization
   to send credentials over plaintext. Failure to provide a value AND a failure
-  to provide a TLS CA certificate will prevent server startup. This is done to
-  ensure credentials are not leaked accidentally.
+  to provide a TLS CA certificate will warn that the credentials are being sent
+  over plain text. In the future, failure to do acknowledge or use TLS will
+  result in server start being prevented. This will be done to ensure credentials
+  are not leaked accidentally.
 
 - `max_parallel` `(string: "128")` – Specifies the maximum number of concurrent
   requests to MySQL.