1. Go to the Data Browser

On the left menu bar, select the content section and then select the data sub-section 










2. Select the Schema
   

   Select the schema whose article you want to edit

   
   

   




3. Select the Article
   

   After you have selected the schema, select the article you want to modify and click the edit

   
   

   

   
   




4. Edit Article Data
   

   After clicking the edit button, you will see a form with input options. The options are populated according on the schema you have selected. 
   

   Edit the article data.

   
   

   

   
   
   

   Edit tags: Add or remove tags.

   Edit attributes: Modify or remove existing attributes or add new attributes

   
   

   

   
   

5. Click Update

   Once you are done entering information, click the update button to save the modify article.To cancel the changes, click on the cancel button.

1. Go to the Explorer
   

   On the left menu select the content section and then select the explorer sub-section to get to the explorer

   
   

   




2. Select the Article

   Assuming that the article you want to edit is present on the explorer

   (If you want to know how to add articles to the explorer, check out this page).

   Select the article you want to modify.

   
   






3. Edit Article Data

   After selecting the article, you will see a form with input options. 

   Edit the article data.

   
   

   

   
   

   Edit tags: Add or remove tags.

   Edit attributes: Modify or remove existing attributes or add new attributes

   
   

   

   
   




4. Click Update

   Once you are done modifying the information, click the update button to save the article.To cancel the changes, simply click the cancel button.

         

Refer the documentation here to see how to edit an article through the API.