diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php b/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php
index 9d11a3cb47ba92dcf9a565d708d6b4689933dde0..d778d5da22d18f096b72f4cc24f3426b0671fe0b 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrDefault.php
@@ -1004,8 +1004,16 @@ class SolrDefault extends AbstractBase
     }
 
     /**
-     * Return an associative array of URLs associated with this record (key = URL,
-     * value = description).
+     * Return an array of associative URL arrays with one or more of the following
+     * keys:
+     *
+     * <li>
+     *   <ul>desc: URL description text to display (optional)</ul>
+     *   <ul>url: fully-formed URL (required if 'route' is absent)</ul>
+     *   <ul>route: VuFind route to build URL with (required if 'url' is absent)</ul>
+     *   <ul>routeParams: Parameters for route (optional)</ul>
+     *   <ul>queryString: Query params to append after building route (optional)</ul>
+     * </li>
      *
      * @return array
      */
diff --git a/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php b/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php
index 6018ee1dc12345a982caa9538ac423e9091b8a46..685179d3c51079ddd0d6070c8409f7437fdf84e2 100644
--- a/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php
+++ b/module/VuFind/src/VuFind/RecordDriver/SolrMarc.php
@@ -544,8 +544,16 @@ class SolrMarc extends SolrDefault
     }
 
     /**
-     * Return an associative array of URLs associated with this record (key = URL,
-     * value = description).
+     * Return an array of associative URL arrays with one or more of the following
+     * keys:
+     *
+     * <li>
+     *   <ul>desc: URL description text to display (optional)</ul>
+     *   <ul>url: fully-formed URL (required if 'route' is absent)</ul>
+     *   <ul>route: VuFind route to build URL with (required if 'url' is absent)</ul>
+     *   <ul>routeParams: Parameters for route (optional)</ul>
+     *   <ul>queryString: Query params to append after building route (optional)</ul>
+     * </li>
      *
      * @return array
      */