Update a valid value

Author: NataliaIvakina

modules/ROOT/pages/configuration/configuration-settings.adoc

@@ -208,7 +208,7 @@ m|++++++
 |Description
 a|The target throughput for transfer requests. Higher value means more connections will be established with S3. It's recommended to set it to the maximum network bandwidth on the host that the application is running on. The default is `10.0`, but when running on EC2 instances, this value can often be set much higher (being specific to the EC2 instance type).
 |Valid values
-a|An integer.
+a|A double.
 |Default value
 m|+++10.0+++
 |===