diff --git a/src/addon.test.ts b/src/addon.test.ts
index 8efbd37..005698a 100644
--- a/src/addon.test.ts
+++ b/src/addon.test.ts
@@ -6,6 +6,7 @@ describe('addon', () => {
       expect.objectContaining({
         id: 'webstreamr',
         name: 'WebStreamr',
+        description: 'Provides HTTP URLs from streaming websites.',
       }),
     );
   });
diff --git a/src/addon.ts b/src/addon.ts
index ac9d088..5ceacd2 100644
--- a/src/addon.ts
+++ b/src/addon.ts
@@ -11,7 +11,7 @@ const manifest: Manifest = {
   id: process.env['MANIFEST_ID'] || 'webstreamr',
   version: '0.2.1', // x-release-please-version
   name: process.env['MANIFEST_NAME'] || 'WebStreamr',
-  description: `Provides HTTP URLs from streaming websites.`,
+  description: process.env['MANIFEST_DESCRIPTION'] || 'Provides HTTP URLs from streaming websites.',
   resources: [
     'stream',
   ],