update Open Source Docs from Roblox internal teams

Author: rbx-open-source-docs[bot]

content/en-us/reference/engine/classes/TextGenerator.yaml

@@ -147,23 +147,27 @@ methods:
       <th>Key Name</th>
       <th>Data Type</th>
       <th>Description</th>
+      <th>Required</th>
       </tr>
       </thead>
       <tbody>
       <tr>
       <td><code>UserPrompt</code></td>
       <td>string</td>
       <td>Optional prompt from the user that initiates the chat. This could be a question, statement, or command that the user wants the model to respond to.</td>
+      <td>No</td>
       </tr>
       <tr>
       <td><code>ContextToken</code></td>
       <td>string</td>
       <td>Prompt history context token containing a summarization of the previous prompt requests and responses in a conversation up to the current request. If no token is provided, a new token is generated and returned in the response. Providing a previously generated context token restores the conversation state into the current  request.</td>
+      <td>No</td>
       </tr>
       <tr>
       <td><code>MaxTokens</code></td>
       <td>number</td>
       <td>The maximum number of tokens in the response generated by the model, expected to be an integer whose value is at least <code>1</code>. This limits the length of the response, preventing overly long or incomplete answers. Non-integral numbers will be rounded to the nearest integer.</td>
+      <td>No</td>
       </tr>
       </tbody>
       </table>