Add description for fido deregistration

Change-Id: Iff4a6893b4d7c39e5d0d5d5614fa8a017be9ec35
Signed-off-by: jkjo92 <jkjo92@samsung.com>

diff --git a/org.tizen.guides/html/dotnet/personal/fido_n.htm b/org.tizen.guides/html/dotnet/personal/fido_n.htm
index a0f5567..1ba8eca 100755 (executable)
--- a/org.tizen.guides/html/dotnet/personal/fido_n.htm
+++ b/org.tizen.guides/html/dotnet/personal/fido_n.htm
@@ -138,7 +138,7 @@ var response = await UafClient.CheckPolicyAsync(uafRequest);
 
 <h2 id="protocol_conversation">Managing the Protocol Conversation</h2>
 
-<p>The core UAF protocol consists of conceptual conversations between the FIDO UAF client and the FIDO server, which allow the server to prompt the client to register authenticators and authenticate the end user.</p>
+<p>The core UAF protocol consists of conceptual conversations between the FIDO UAF client and the FIDO server, which allow the server to prompt the client to register authenticators and authenticate the end user. Deregistration is triggered by the server when it needs to deregister authentication keys.</p>
 
 <p>To receive conversation messages from the server:</p>