diff --git a/docs/generated/packages/angular.json b/docs/generated/packages/angular.json
index 882ac72acbef5..2bc0cb20b9b90 100644
--- a/docs/generated/packages/angular.json
+++ b/docs/generated/packages/angular.json
@@ -1921,9 +1921,10 @@
             "enum": ["eslint", "none"],
             "default": "eslint"
           },
-          "projectBuildConfig": {
-            "description": "Provide a custom projectBuildConfig for the Angular executor. If left blank, Nx will use the default.",
-            "type": "string"
+          "tsConfiguration": {
+            "type": "boolean",
+            "description": "Configure your project with TypeScript. Generate main.ts and preview.ts files, instead of main.js and preview.js.",
+            "default": false
           }
         },
         "additionalProperties": false,
diff --git a/packages/angular/src/generators/storybook-configuration/schema.d.ts b/packages/angular/src/generators/storybook-configuration/schema.d.ts
index cc30ec1c4579b..539f2149ccff3 100644
--- a/packages/angular/src/generators/storybook-configuration/schema.d.ts
+++ b/packages/angular/src/generators/storybook-configuration/schema.d.ts
@@ -7,5 +7,5 @@ export interface StorybookConfigurationOptions {
   linter: Exclude<Linter, Linter.TsLint>;
   name: string;
   cypressDirectory?: string;
-  projectBuildConfig?: string;
+  tsConfiguration?: boolean;
 }
diff --git a/packages/angular/src/generators/storybook-configuration/schema.json b/packages/angular/src/generators/storybook-configuration/schema.json
index d963a917e21dd..886e8bce18b07 100644
--- a/packages/angular/src/generators/storybook-configuration/schema.json
+++ b/packages/angular/src/generators/storybook-configuration/schema.json
@@ -42,9 +42,10 @@
       "enum": ["eslint", "none"],
       "default": "eslint"
     },
-    "projectBuildConfig": {
-      "description": "Provide a custom projectBuildConfig for the Angular executor. If left blank, Nx will use the default.",
-      "type": "string"
+    "tsConfiguration": {
+      "type": "boolean",
+      "description": "Configure your project with TypeScript. Generate main.ts and preview.ts files, instead of main.js and preview.js.",
+      "default": false
     }
   },
   "additionalProperties": false,