diff --git a/README.md b/README.md
index 9fe3189..3427ac7 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,12 @@ See `docs` directory for Markdown files or the [auto-built site](https://digital
 cp digitaldemocratic.conf.sample digitaldemocratic.conf
 ```
 
+Change default passwords
+
+```
+./securize_conf.sh
+```
+
 Edit digitaldemocratic.conf file variables to suit your needs.
 
 ```
diff --git a/securize_conf.sh b/securize_conf.sh
old mode 100644
new mode 100755
index 2d9a0f8..4d6556e
--- a/securize_conf.sh
+++ b/securize_conf.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 PWD=$(shuf -n3 /usr/share/dict/words | tr -d "\n" | tr -d "'")
 sed -i "/^SMTP_PASSWORD=/c\SMTP_PASSWORD=$PWD" digitaldemocratic.conf