[Email Security] Fix URL defang description (cloudflare#23717)

Author: Maddy-Cloudflare

src/content/docs/cloudflare-one/email-security/detection-settings/configure-link-actions.mdx

@@ -14,7 +14,7 @@ To configure link actions:
 3. Select **Settings**, then go to **Detection settings** > **Link actions** > **View**.
 4. Select **Configure**:
     - **Email link isolation (Recommended)**: This option allows Email Security to open all suspicious links in an isolated browser environment. This option is on by default.
-    - **Assign actions based on dispositions**: Review the [disposition types](/cloudflare-one/email-security/reference/dispositions-and-attributes/#dispositions) and select link actions (choose between **URL defang** to allow links to be clickable, or **No action** for no action to be taken on the link).
+    - **Assign actions based on dispositions**: Review the [disposition types](/cloudflare-one/email-security/reference/dispositions-and-attributes/#dispositions) and select link actions (choose between **URL defang** to allow links to be unclickable, or **No action** for no action to be taken on the link).
 5. Select **Save**.
 
 ## Add patterns for URLs