diff --git a/S3-Vector-Bucket.md b/S3-Vector-Bucket.md
index b9ed466..3bea450 100644
--- a/S3-Vector-Bucket.md
+++ b/S3-Vector-Bucket.md
@@ -19,19 +19,19 @@ config:
 flowchart TB
     client["<b>Clients</b><br/>AWS CLI, boto3, any AWS SDK"]
     gateway["<b>S3 gateway</b><br/>S3, S3 Tables and S3 Vectors APIs on the S3 port"]
-    subgraph buckets ["bucket kinds"]
+    subgraph buckets [" "]
         direction LR
         normal["<b>normal bucket</b><br/>objects"]
-        table["<b>table bucket</b><br/>Iceberg or Lance tables"]
         vector["<b>vector bucket</b><br/>a table bucket with format LANCE"]
+        table["<b>table bucket</b><br/>Iceberg or Lance tables"]
     end
     engine["<b>weed-vector</b><br/>exact search over the index"]
     filers[("<b>filers</b><br/>file metadata")]
     volumes[("<b>volume servers</b><br/>file chunks")]
     client -->|"S3, S3 Tables and S3 Vectors requests"| gateway
     gateway --> normal
-    gateway --> table
     gateway --> vector
+    gateway --> table
     vector -->|"index and vector operations"| engine
     engine -->|"table and file metadata"| filers
     engine -->|"file chunks"| volumes