--- a/cubicweb/pyramid/auth.py	Tue Feb 12 14:43:45 2019 +0100
+++ b/cubicweb/pyramid/auth.py	Tue Feb 12 16:11:54 2019 +0100
@@ -214,6 +214,11 @@
                 YOU SHOULD STOP THIS INSTANCE unless your really know what you
                 are doing !!
 
+                Please refer to to cubicweb-pyramid documentation on how to
+                write this pyramid.ini file:
+                https://cubicweb.readthedocs.io/en/latest/book/pyramid/settings/#pyramid-settings-file
+                Without it authentication WON'T work.
+
             ''')
 
         policies.append(