diff --git a/README.md b/README.md
index 16c6a78..ef5b850 100644
--- a/README.md
+++ b/README.md
@@ -36,12 +36,19 @@ Chacun de ces services documente la structure de la table mais ne se charge pas
 La création de la table, selon le schéma fournit dans la documentation, est à la charge de l’administrateur du système.
 
 # Empty database:
-su - postgres
-psql -U postgres risotto
-drop table log; drop table userrole; drop table release; drop table source; drop table server; drop table servermodel; drop table applicationservice; drop table roleuri;  drop table risottouser; drop table uri;
 
+````
+psql -U postgres
+drop database risotto;
+drop user risotto;
+\q
+reconfigure
+```
+
+```
 psql -U postgres tiramisu
 drop table value; drop table property; drop table permissive; drop table information; drop table session;
+```
 
 # Import EOLE
 ./script/cucchiaiata source.create -n eole -u http://localhost
diff --git a/src/risotto/config.py b/src/risotto/config.py
index a0f884c..d6cd782 100644
--- a/src/risotto/config.py
+++ b/src/risotto/config.py
@@ -3,7 +3,7 @@ from os import environ
 
 CONFIGURATION_DIR = environ.get('CONFIGURATION_DIR', '/srv/risotto/configurations')
 PROVIDER_FACTORY_CONFIG_DIR = environ.get('PROVIDER_FACTORY_CONFIG_DIR', '/srv/factory')
-TMP_DIR = 'tmp'
+TMP_DIR = '/tmp'
 DEFAULT_USER = environ.get('DEFAULT_USER', 'Anonymous')
 RISOTTO_DB_NAME = environ.get('RISOTTO_DB_NAME', 'risotto')
 RISOTTO_DB_PASSWORD = environ.get('RISOTTO_DB_PASSWORD', 'risotto')
@@ -19,7 +19,7 @@ SRV_SEED_PATH = environ.get('SRV_SEED_PATH', '/srv/seed')
 
 
 def dsn_factory(database, user, password, address=DB_ADDRESS):
-    mangled_address = '/var/run/postgresql' if address == 'localhost' else address 
+    mangled_address = '/var/run/postgresql' if address == 'localhost' else address
     return f'postgres:///{database}?host={mangled_address}/&user={user}&password={password}'