diff --git a/README.md b/README.md
index 01444810b54d845e93e7adf1367f19c6c227f958..8450c9dc868976d99ca87d1f7e9988ea23bba9a5 100644
--- a/README.md
+++ b/README.md
@@ -50,3 +50,4 @@ vagrant provision
 s4uC3
 * https://raymii.org/s/
 * (firefox add ons) https://addons.mozilla.org/fr/firefox/addon/calomel-ssl-validation/
+* https://blogs.msdn.microsoft.com/benjaminperkins/2014/05/05/make-your-own-ssl-certificate-for-testing-and-learning/
diff --git a/provision.sh b/provision.sh
index c89000578602cb868602a7e6181906f042e51db1..de5916e52292d54905e7e5428951fcc1421d97d8 100644
--- a/provision.sh
+++ b/provision.sh
@@ -1,3 +1,6 @@
+# STEP 0
+sudo apt-get update
+
 # STEP 1 - install d'apache
 sudo apt-get -y install apache2