diff --git a/src/lib/features/feature-search/feature-search-controller.ts b/src/lib/features/feature-search/feature-search-controller.ts
index 6a514ffd42..fdfa5427f3 100644
--- a/src/lib/features/feature-search/feature-search-controller.ts
+++ b/src/lib/features/feature-search/feature-search-controller.ts
@@ -55,8 +55,8 @@ export default class FeatureSearchController extends Controller {
                     summary: 'Search and filter features',
                     description: 'Search and filter by selected fields.',
                     operationId: 'searchFeatures',
-                    // TODO: fix the type
-                    parameters: featureSearchQueryParameters as any,
+                    // top level array needs to be mutable according to openapi library
+                    parameters: [...featureSearchQueryParameters],
                     responses: {
                         200: createResponseSchema('searchFeaturesSchema'),
                         ...getStandardResponses(401, 403, 404),
diff --git a/src/lib/openapi/spec/feature-search-query-parameters.ts b/src/lib/openapi/spec/feature-search-query-parameters.ts
index e97ba4db80..2844d959e2 100644
--- a/src/lib/openapi/spec/feature-search-query-parameters.ts
+++ b/src/lib/openapi/spec/feature-search-query-parameters.ts
@@ -5,7 +5,7 @@ export const featureSearchQueryParameters = [
         name: 'query',
         schema: {
             default: '',
-            type: 'string' as const,
+            type: 'string',
             example: 'feature_a',
         },
         description: 'The search query for the feature or tag',
@@ -15,7 +15,7 @@ export const featureSearchQueryParameters = [
         name: 'projectId',
         schema: {
             default: '',
-            type: 'string' as const,
+            type: 'string',
             example: 'default',
         },
         description: 'Id of the project where search is performed',
diff --git a/src/lib/openapi/util/from-query-params.ts b/src/lib/openapi/util/from-query-params.ts
index 26993789e6..3bba3987e7 100644
--- a/src/lib/openapi/util/from-query-params.ts
+++ b/src/lib/openapi/util/from-query-params.ts
@@ -11,6 +11,7 @@ type OpenApiParam = {
     // Parameter types:
     // https://swagger.io/docs/specification/describing-parameters/#types
     readonly in: 'query' | 'path' | 'header' | 'cookie';
+    readonly description?: string;
 };
 
 type RecurseOnParams<