diff --git a/doc/jp/blog.rst b/doc/jp/blog.rst
index 0451b1ec..41ca48dd 100644
--- a/doc/jp/blog.rst
+++ b/doc/jp/blog.rst
@@ -92,6 +92,11 @@ and a new tab will be opened on each modification. This is not ideal, and we rec
 set you configuration to activate automatic refreshing of the page instead, see `preview
 configuration <edit_preview_>`_ below to see how to do.
 
+.. note::
+
+   If --preview doesn't work, use ``jp blog preview`` (see below) to get error messages.
+   On GNU/Linux, Be sure that inotify Python module is installed correctly.
+
 examples
 --------