diff --git a/hyperglass/constants.py b/hyperglass/constants.py
index bfaf89b..e0ba92f 100644
--- a/hyperglass/constants.py
+++ b/hyperglass/constants.py
@@ -159,6 +159,15 @@ For information about how to interpret traceroute results, [click here]\
 (https://hyperglass.readthedocs.io/en/latest/assets/traceroute_nanog.pdf).
 """
 
+SUPPORTED_QUERY_FIELDS = ("query_location", "query_type", "query_target", "query_vrf")
+SUPPORTED_QUERY_TYPES = (
+    "bgp_route",
+    "bgp_community",
+    "bgp_aspath",
+    "ping",
+    "traceroute",
+)
+
 
 class Supported:
     """Define items supported by hyperglass.
diff --git a/ui/components/Layout.js b/ui/components/Layout.js
index 93bc601..6eb6231 100644
--- a/ui/components/Layout.js
+++ b/ui/components/Layout.js
@@ -91,7 +91,7 @@ const Layout = () => {
                     credit={config.branding.credit}
                     extLink={config.branding.external_link}
                 />
-                {config.general.debug && <Debugger />}
+                {config.general.developer_mode && <Debugger />}
             </Flex>
         </>
     );
diff --git a/ui/components/QueryVrf.js b/ui/components/QueryVrf.js
index b848bb3..8df1421 100644
--- a/ui/components/QueryVrf.js
+++ b/ui/components/QueryVrf.js
@@ -5,7 +5,6 @@ export default ({ vrfs, onChange }) => {
     return (
         <ChakraSelect
             size="lg"
-            placeholder="VRF"
             onChange={e => onChange({ field: "query_vrf", value: e.value })}
             name="query_vrf"
             options={vrfs}