doc: Adding description of a new possible error for RequestInput method

diff --git a/doc/agent-api.txt b/doc/agent-api.txt
index c0196c3..71a0281 100644 (file)
--- a/doc/agent-api.txt
+++ b/doc/agent-api.txt
@@ -51,7 +51,12 @@ Methods              void Release()
                        The dictionary arguments contains field names with
                        their input parameters.
 
+                       In case of WISPr credentials requests and if the user
+                       prefers to login through the browser by himself, agent
+                       will have to return a LaunchBrowser error (see below).
+
                        Possible Errors: net.connman.Agent.Error.Canceled
+                                        net.connman.Agent.Error.LaunchBrowser
 
                void Cancel()