diff --git a/doc/user/content/releases/previews.md b/doc/user/content/releases/previews.md
index fce5b037223ff..a8b354060bbc7 100644
--- a/doc/user/content/releases/previews.md
+++ b/doc/user/content/releases/previews.md
@@ -76,12 +76,6 @@ For more information, see:
 - [`CREATE CLUSTER`](/sql/create-cluster).
 - [`ALTER CLUSTER`](/sql/alter-cluster).
 
-### COMMENT ON
-
-Materialize adds the `COMMENT ON` command to allow commenting on an object.
-
-For more information, see [`COMMENT ON`](/sql/comment-on).
-
 ### Support for Fivetran
 
 Materialize adds support for Fivetran to sync data into Materialize.
diff --git a/doc/user/content/sql/comment-on.md b/doc/user/content/sql/comment-on.md
index 17c92e78a0099..1f2d2923d176c 100644
--- a/doc/user/content/sql/comment-on.md
+++ b/doc/user/content/sql/comment-on.md
@@ -6,8 +6,6 @@ menu:
     parent: 'commands'
 ---
 
-{{< public-preview />}}
-
 `COMMENT ON ...` adds or updates the comment of an object.
 
 ## Syntax
diff --git a/doc/user/content/sql/system-catalog/mz_internal.md b/doc/user/content/sql/system-catalog/mz_internal.md
index 12a2b29c0d813..5b19bf655bc89 100644
--- a/doc/user/content/sql/system-catalog/mz_internal.md
+++ b/doc/user/content/sql/system-catalog/mz_internal.md
@@ -289,14 +289,14 @@ The `mz_pending_cluster_replicas` table lists the replicas that were created dur
 
 ## `mz_comments`
 
-The `mz_comments` table stores optional comments (descriptions) for objects in the database.
+The `mz_comments` table stores optional comments (i.e., descriptions) for objects in the database.
 
 <!-- RELATION_SPEC mz_internal.mz_comments -->
 | Field          | Type        | Meaning                                                                                      |
 | -------------- |-------------| --------                                                                                     |
 | `id`           | [`text`]    | The ID of the object. Corresponds to [`mz_objects.id`](../mz_catalog/#mz_objects).           |
 | `object_type`  | [`text`]    | The type of object the comment is associated with.                                           |
-| `object_sub_id`| [`integer`] | For a comment on a column of a relation, this is the column number. For all other object types this column is `NULL`. |
+| `object_sub_id`| [`integer`] | For a comment on a column of a relation, the column number. `NULL` for other object types.   |
 | `comment`      | [`text`]    | The comment itself.                                                                          |
 
 ## `mz_compute_dependencies`