Fix Qodana alerts

Author: sbrossie

userguide/aviate/aviate-credits-refunds.adoc

@@ -145,7 +145,7 @@ curl -v -X POST \
   "http://127.0.0.1:8080/1.0/kb/payments/{paymentId}/refunds"
 ----
 
-*Expected result:* The payment gateway processes the refund. The corresponding invoice is adjusted by the refund amount.
+*Expected result:* The payment gateway processes the refund. Kill Bill adjusts the corresponding invoice by the refund amount.
 
 === Refund without Invoice Adjustment
 

userguide/preview/aviate-billing-account.adoc

@@ -206,7 +206,7 @@ The response format is the same as <<Step 2: Retrieve a Billing Account by ID>>.
 | ZIP or postal code.
 |===
 
-[[Tax Registrations]]
+[[tax-registrations]]
 == Tax Registrations
 
 The `taxRegistrations` array holds one or more tax registration entries for the billing account. Each entry associates a tax identity (such as a VAT number or EIN) with a specific address and country.