diff --git a/syncserver.ini b/syncserver.ini
index 011914e..cf53064 100644
--- a/syncserver.ini
+++ b/syncserver.ini
@@ -7,11 +7,18 @@ port = 5000
 use = egg:syncserver
 
 [syncserver]
-# This must be edited to point to the public URL of your server.
+# This must be edited to point to the public URL of your server,
+# i.e. the URL as seen by Firefox.
 public_url = http://localhost:5000/
 
 # This defines the database in which to store all server data.
 #sqluri = sqlite:////tmp/syncserver.db
 
 # This is a secret key used for signing authentication tokens.
+# It should be long and randomly-generated.
+# The following command will give a suitable value on *nix systems:
+#
+#    head -c 40 /dev/urandom | sha1sum
+#
+# If not specified then the server will generate a temporary one at startup.
 #secret = INSERT_SECRET_KEY_HERE