Add management section

Author: maxvp

src/content/docs/cloudflare-one/policies/data-loss-prevention/datasets.mdx

@@ -7,7 +7,7 @@ sidebar:
 
 import { Details } from "~/components";
 
-Cloudflare DLP can scan your web traffic and SaaS applications for specific data defined in custom detection entries. Detection entries allow you to define custom data patterns for DLP to detect using [DLP profiles](/cloudflare-one/policies/data-loss-prevention/dlp-profiles/). Detection entries include custom [datasets](#datasets) and [documents](#documents).
+Cloudflare DLP can scan your web traffic and SaaS applications for specific data defined in custom detection entries. Detection entries allow you to define custom data patterns for DLP to detect using [DLP profiles](/cloudflare-one/policies/data-loss-prevention/dlp-profiles/). Detection entries include custom [datasets](#datasets) with defined data and [document entries](#documents) with example fingerprints.
 
 You can configure sensitive data to be hashed before reaching Cloudflare and redacted from matches in [payload logs](/cloudflare-one/policies/data-loss-prevention/dlp-policies/logging-options/#log-the-payload-of-matched-rules).
 
@@ -99,13 +99,13 @@ If you want to update an Exact Data Match dataset to remove a column in use as a
 
 You can upload example documents to scan for unstructured data or specific document types common to your organization. DLP will create a unique fingerprint of the document and detect patterns in your organization's traffic based on how similar it is to the original fingerprint.
 
-DLP stores uploaded documents in a [Cloudflare R2](/r2/) bucket. To upload sensitive data that is encrypted before reaching Cloudflare and only stored in memory, use [Exact Data Match](#exact-data-match).
+DLP stores uploaded documents encrypted at rest in a [Cloudflare R2](/r2/) bucket. To upload sensitive data is only stored in memory, use [Exact Data Match](#exact-data-match).
 
 ### Prepare document entries
 
 DLP supports documents in `.docx` and `.txt` format. Documents must be under 10 MB.
 
-### Upload a document entry
+### Upload a new document entry
 
 To upload a new document entry to DLP:
 
@@ -114,7 +114,19 @@ To upload a new document entry to DLP:
 3. Select **Add a document entry**.
 4. Name your document. Optionally, add a description. Select **Next**.
 5. In **Minimum similarity for matches**, enter a value between 0% and 100%.
-6. Upload your document.
+6. In **Upload document**, choose and upload your document file.
 7. Select **Save**.
 
 The document will appear in the list with an **Uploading** status. Once the upload is complete, the status will change to **Complete**. To use your uploaded document, add it as an existing entry to a [custom DLP profile](/cloudflare-one/policies/data-loss-prevention/dlp-profiles/#build-a-custom-profile).
+
+### Manage existing document entries
+
+Uploaded document entries are read-only. To update a document entry, you must upload a new file to replace the original.
+
+1. In [Zero Trust](https://one.dash.cloudflare.com/), go to **DLP** > **Detection entries**.
+2. Select the document you want to update.
+3. (Optional) Update the name and minimum similarity for matches for your document entry. You can also open the existing uploaded document.
+4. In **Update document entry**, choose and upload your updated document file.
+5. Select **Save**.
+
+Your new document entry will replace the original document entry. If your file upload fails, DLP will still use the original document fingerprint to scan traffic until you delete the entry.