diff --git a/src/content/docs/cloudflare-one/identity/devices/warp-client-checks/domain-joined.mdx b/src/content/docs/cloudflare-one/identity/devices/warp-client-checks/domain-joined.mdx
index 37660af5c32eba..2c1211a293ebc9 100644
--- a/src/content/docs/cloudflare-one/identity/devices/warp-client-checks/domain-joined.mdx
+++ b/src/content/docs/cloudflare-one/identity/devices/warp-client-checks/domain-joined.mdx
@@ -30,6 +30,9 @@ The Domain Joined device posture attribute ensures that a user is a member of a
 4. Enter a descriptive name for the check.
 5. Select your operating system.
 6. Enter the domain you want to check for, such as `example.com`.
+    :::note
+    The **Domain** field is case-sensitive. If your domain is `example.com`, entering `Example.com` will fail the posture check.
+    :::
 7. Select **Save**.
 
 Next, go to **Logs** > **Posture** and verify that the Domain Joined check is returning the expected results.