diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 93a8a5963..2bb412995 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -96,6 +96,7 @@ MODIN_ENGINE=dask
   * Add the source to the [source_router](https://github.com/sfu-db/connector-x/blob/main/connectorx-python/src/source_router.rs)
   * Add the source to writing functions of each destination. Here are examples for [pandas](https://github.com/sfu-db/connector-x/blob/main/connectorx-python/src/pandas/mod.rs) and [arrow](https://github.com/sfu-db/connector-x/blob/main/connectorx-python/src/arrow.rs)
 * Add corresponding unit tests under `connectorx/tests` for Rust and `connectorx-python/connectorx/tests` for Python
+* Add the new source to the [docs](./docs/)
 
 **Please check out [here](https://sfu-db.github.io/connector-x/connectorx/#extending-connectorx) for more detailed implementation instructions of how to extend ConnectorX.**
 
diff --git a/docs/databases/postgres.md b/docs/databases/postgres.md
index e6f83ca9e..8730fbec8 100644
--- a/docs/databases/postgres.md
+++ b/docs/databases/postgres.md
@@ -23,6 +23,7 @@ cx.read_sql(conn, query)                                        # read data from
 
 | Postgres Type   |      Pandas Type          |  Comment                           |
 |:---------------:|:-------------------------:|:----------------------------------:|
+| OID             | u32                       | a data type for identifying internal objects |
 | BOOL            | bool, boolean(nullable)   |                                    |
 | INT2            | int64, Int64(nullable)    |                                    |
 | INT4            | int64, Int64(nullable)    |                                    |
@@ -51,6 +52,7 @@ cx.read_sql(conn, query)                                        # read data from
 | HalfVec         | object                    | list of f32                        |
 | Bit             | object                    |                                    |
 | SparseVec       | object                    | list of f32                        |
+| BOOL[]          | object                    | list of bool                       |
 | INT2[]          | object                    | list of i64                        |
 | INT4[]          | object                    | list of i64                        |
 | INT8[]          | object                    | list of i64                        |