diff --git a/app-config.yaml b/app-config.yaml
index 3d0d093536..a331d72d7c 100644
--- a/app-config.yaml
+++ b/app-config.yaml
@@ -270,7 +270,7 @@ costInsights:
 homepage:
   clocks:
     - label: UTC
-      timzone: UTC
+      timezone: UTC
     - label: NYC
       timezone: 'America/New_York'
     - label: STO
diff --git a/packages/backend-common/config.d.ts b/packages/backend-common/config.d.ts
index 64e883aa26..b6beff12f7 100644
--- a/packages/backend-common/config.d.ts
+++ b/packages/backend-common/config.d.ts
@@ -15,7 +15,7 @@
  */
 
 export interface Config {
-  frontend: {
+  app: {
     baseUrl: string; // defined in core, but repeated here without doc
   };
 
diff --git a/packages/config-loader/src/lib/schema/collect.ts b/packages/config-loader/src/lib/schema/collect.ts
index dd0776213c..11a7ce4ec2 100644
--- a/packages/config-loader/src/lib/schema/collect.ts
+++ b/packages/config-loader/src/lib/schema/collect.ts
@@ -150,7 +150,10 @@ function compileTsSchemas(currentDir: string, paths: string[]) {
       // All schemas should export a `Config` symbol
       'Config',
       // This enables usage of @visibility is doc comments
-      { validationKeywords: ['visibility'] },
+      {
+        required: true,
+        validationKeywords: ['visibility'],
+      },
       [schemaFile],
     ) as JsonObject | null;