diff --git a/schemas/documents/shared/project.js b/schemas/documents/shared/project.js
index 5078573..5a172ab 100644
--- a/schemas/documents/shared/project.js
+++ b/schemas/documents/shared/project.js
@@ -4,10 +4,10 @@ export default {
   type: 'document',
   fields: [
     {
-      title: 'Project id, uuid or slug',
+      title: 'Project slug, on-chain id or off-chain uuid',
       name: 'projectId',
       type: 'string',
-      description: 'on-chain project id, off-chain uuid or slug',
+      description: 'Slug should be the prefered option if the project has a slug, otherwise it might result in the data below not being displayed on the project page.',
       validation: Rule => Rule.required(),
     },
     {
diff --git a/schemas/objects/projectPrefinancing.js b/schemas/objects/projectPrefinancing.js
index 973cada..053b653 100644
--- a/schemas/objects/projectPrefinancing.js
+++ b/schemas/objects/projectPrefinancing.js
@@ -75,7 +75,7 @@ export default {
           type: 'text',
         },
       ],
-      validation,
+      validation: Rule => validation(Rule).max(6),
     },
   ],
 };