update column

Author: badmonster0

docs/docs/sources/index.md

@@ -8,7 +8,7 @@ description: CocoIndex Built-in Sources
 
 In CocoIndex, a source is the data origin you import from (e.g., files, databases, APIs) that feeds into an indexing flow for transformation and retrieval.
 
-| Source Type    | See Also                        |
+| Source Type    | Description                        |
 |----------------|------------------------------------|
 | [LocalFile](/docs/sources#localfile)     | Local file system                        |
 | [AmazonS3](/docs/sources#amazons3)       | Object store (Amazon S3 bucket)          |

docs/docs/targets/index.md

@@ -12,7 +12,7 @@ The way to map data from a data collector to a target depends on data model of t
 
 ## Targets Overview
 
-| Target Type    | See Also                    |
+| Target Type    | Description                   |
 |------------------|-------------------------|
 | [Postgres](/docs/targets/postgres) | Relational Database, Vector Search (PGVector)   |
 | [Qdrant](/docs/targets/qdrant)     | Vector Database, Keyword Search       |