diff --git a/src/deployment-info.dto.ts b/src/deployment-info.dto.ts
index 9d9fdee..1e2f547 100644
--- a/src/deployment-info.dto.ts
+++ b/src/deployment-info.dto.ts
@@ -1,11 +1,46 @@
 export class DeploymentInfo {
+  @ApiProperty({
+    description: 'Name of the system to be created. Must not contain whitespaces.',
+  })
   name: string;
+
+  @ApiProperty({
+    description: 'Language for the system (and keycloak).',
+  })
   locale?: string;
+
+  @ApiProperty({
+    description: 'Username of the initial user account created as site admin.',
+  })
   username: string;
+  
+  @ApiProperty({
+    description: 'Email for the initial user account.',
+  })
   email: string;
+  
+  @ApiProperty({
+    description: 'Whether the permission backend (replication-backend) should be set up.',
+  })
   backend: boolean;
+  
+  @ApiProperty({
+    description: 'Whether the new system should be added to uptime monitoring.',
+  })
   monitor: boolean;
+  
+  @ApiProperty({
+    description: '???',
+  })
   client: string;
+  
+  @ApiProperty({
+    description: '???',
+  })
   clientKey: string;
+  
+  @ApiProperty({
+    description: '???',
+  })
   base: string;
 }