os_hierarchy.json in facter-4.0.19 vs os_hierarchy.json in facter-4.0.20

@@ -10,10 +10,11 @@
       },
       {
         "El": [
           "Fedora",
           "Amzn",
-          "Centos"
+          "Centos",
+          "Rhel"
         ]
       },
       {
         "Sles": [
           "Opensuse"