Index: social-ime-custom.scm
===================================================================
--- social-ime-custom.scm	(revision 5946)
+++ social-ime-custom.scm	(working copy)
@@ -371,6 +371,12 @@
   (N_ "Character count to start input prediction")
   (N_ "long description will be here."))
 
+(define-custom 'social-ime-warn-connection? #t
+  '(social-ime-advanced social-ime-server)
+  '(boolean)
+  (N_ "Show caveat upon initalization of new context")
+  (N_ "long description will be here."))
+
 (custom-add-hook 'social-ime-use-candidate-window?
                  'custom-get-hooks
                  (lambda ()
Index: social-ime.scm
===================================================================
--- social-ime.scm	(revision 5946)
+++ social-ime.scm	(working copy)
@@ -581,6 +581,8 @@
     (social-ime-make-raw-string (social-ime-get-raw-str-seq sc) wide? upper?)))
 
 (define (social-ime-init-handler id im arg)
+  (if social-ime-warn-connection?
+    (uim-notify-info "Caveat.  All the request to Social IME server is not encrypted through the internet.\nIf you want to disable this message, turn off the option in Social-IME (advanced) setting."))
   (if (not social-ime-init-lib-ok?)
       (begin
 	(social-ime-lib-init)