Phase Description content is getting encrypted

Summary:

In the process of creating a new CSP , I was creating a Phase and after saving the Phase Description content, a part of the content is getting encrypted as shown in the below screenshot.

The CSP is still in Draft mode.

Please check and suggest

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):