diff --git a/src/main/java/com/gocardless/resources/BillingRequestFlow.java b/src/main/java/com/gocardless/resources/BillingRequestFlow.java
index 05df7caf..63e01714 100644
--- a/src/main/java/com/gocardless/resources/BillingRequestFlow.java
+++ b/src/main/java/com/gocardless/resources/BillingRequestFlow.java
@@ -63,7 +63,9 @@ public Boolean getCustomerDetailsCaptured() {
     }
 
     /**
-     * URL that the payer can be taken to if there isn't a way to progress ahead in flow.
+     * URL that the payer can be taken to if there isn't a way to progress ahead in flow, for
+     * example if the customer searches for a bank that doesn't exist or isn't supported on the
+     * scheme.
      */
     public String getExitUri() {
         return exitUri;
diff --git a/src/main/java/com/gocardless/services/BillingRequestFlowService.java b/src/main/java/com/gocardless/services/BillingRequestFlowService.java
index 4eeddcec..92ecd394 100644
--- a/src/main/java/com/gocardless/services/BillingRequestFlowService.java
+++ b/src/main/java/com/gocardless/services/BillingRequestFlowService.java
@@ -80,7 +80,9 @@ public BillingRequestFlowCreateRequest withCustomerDetailsCaptured(
         }
 
         /**
-         * URL that the payer can be taken to if there isn't a way to progress ahead in flow.
+         * URL that the payer can be taken to if there isn't a way to progress ahead in flow, for
+         * example if the customer searches for a bank that doesn't exist or isn't supported on the
+         * scheme.
          */
         public BillingRequestFlowCreateRequest withExitUri(String exitUri) {
             this.exitUri = exitUri;