diff --git a/src/yaml/3dCatalog/3dMetadata.yaml b/src/yaml/3dCatalog/3dMetadata.yaml
index 595bea4..767d9a6 100644
--- a/src/yaml/3dCatalog/3dMetadata.yaml
+++ b/src/yaml/3dCatalog/3dMetadata.yaml
@@ -45,7 +45,7 @@ components:
           example: 3DPhotoRealistic
         description:
           type: string
-          maxLength: 250
+          maxLength: 500
           nullable: true
           description: description and comments
         creationDate:
@@ -225,7 +225,7 @@ components:
           example: 3DPhotoRealistic
         description:
           type: string
-          maxLength: 250
+          maxLength: 500
           nullable: true
           description: description and comments
         creationDate:
@@ -409,7 +409,7 @@ components:
           example: 3DPhotoRealistic
         description:
           type: string
-          maxLength: 250
+          maxLength: 500
           nullable: true
           description: description and comments
         creationDate:
@@ -597,7 +597,7 @@ components:
         description:
           type: string
           nullable: true
-          maxLength: 250
+          maxLength: 500
           description: description and comments
         creationDate:
           type: string