diff --git a/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26000.json b/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26000.json
index f141fce5..9a206ff6 100644
--- a/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26000.json
+++ b/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26000.json
@@ -2,8 +2,8 @@
   "collections": {
     "adm1": {
       "regions": {
-        "11725": null,
-        "11726": null
+        "11725": {},
+        "11726": {}
       }
     },
     "huc2": {
@@ -12,8 +12,8 @@
           "collections": {
             "huc4": {
               "regions": {
-                "12807": null,
-                "12809": null
+                "12807": {},
+                "12809": {}
               }
             }
           }
@@ -22,7 +22,7 @@
           "collections": {
             "huc4": {
               "regions": {
-                "12815": null
+                "12815": {}
               }
             }
           }
diff --git a/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26101.json b/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26101.json
index 54e1d067..8b127772 100644
--- a/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26101.json
+++ b/doc/interfaces/supercomputer_data/drafts/20231009_region_hierarchy/region_hierarchy_26101.json
@@ -2,7 +2,7 @@
   "collections": {
     "adm1": {
       "regions": {
-        "3701": null
+        "3701": {}
       }
     },
     "hydro3": {
@@ -11,12 +11,12 @@
           "collections": {
             "hydro4": {
               "regions": {
-                "17376": null,
+                "17376": {},
                 "17381": {
                   "collections": {
                     "hydro5": {
                       "regions": {
-                        "24989": null
+                        "24989": {}
                       }
                     }
                   }