Address code scanning issues

Author: reshmabidikar

userguide/tutorials/avatax-plugin.adoc

@@ -126,6 +126,7 @@ org.killbill.billing.plugin.avatax.licenseKey=ZZZ' \
 
 An https://github.com/killbill/killbill-avatax-ui[Avatax Rails Mountable Engine] is available. This allows you to configure the plugin, configure the product tax codes, and set account exemptions via Kaui. The UI becomes available in Kaui once the AvaTax plugin is installed and can be accessed by clicking the plug icon in Kaui. Refer to the  https://docs.killbill.io/latest/userguide_kaui#avatax[Kaui Guide] for further details.
 
+[[avatax_plugin_features]]
 == AvaTax Plugin Features
 
 This section explains all the features provided by the AvaTax plugin.