diff --git a/docs/syntax/flowchart.md b/docs/syntax/flowchart.md
index 3837e77de6..97b9110d1d 100644
--- a/docs/syntax/flowchart.md
+++ b/docs/syntax/flowchart.md
@@ -319,6 +319,7 @@ Below is a comprehensive list of the newly introduced shapes and their correspon
 | **Semantic Name**                 | **Shape Name**         | **Short Name** | **Description**                | **Alias Supported**                                              |
 | --------------------------------- | ---------------------- | -------------- | ------------------------------ | ---------------------------------------------------------------- |
 | Card                              | Notched Rectangle      | `notch-rect`   | Represents a card              | `card`, `notched-rectangle`                                      |
+| Class Box                         | Class Box              | `classBox`     | Class Box                      | `class-box`                                                      |
 | Collate                           | Hourglass              | `hourglass`    | Represents a collate operation | `collate`, `hourglass`                                           |
 | Com Link                          | Lightning Bolt         | `bolt`         | Communication link             | `com-link`, `lightning-bolt`                                     |
 | Comment                           | Curly Brace            | `brace`        | Adds a comment                 | `brace-l`, `comment`                                             |