Switch sed delimeter in order to avoid conflict with paths

README.md

@@ -2,6 +2,9 @@
 
 Source: http://www.btteknik.net/?p=143
 
+### Requirements
+* DiG
+
 ### DNSSEC key
 * need to create a dnssec key, so that we can authenticate clients' updates
 ```

install.sh

@@ -4,7 +4,7 @@ echo "Copying Systemd units to system directory..."
 sudo cp systemd-templates/dns-update.service /etc/systemd/system/
 sudo cp systemd-templates/dns-update.timer /etc/systemd/system/
 sudo sed -i -e "s/PH_USER/$(whoami)/g" /etc/systemd/system/dns-update.service
-sudo sed -i -e "s/PH_DIRECTORY/$(pwd)/g" /etc/systemd/system/dns-update.service
+sudo sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/dns-update.service
 
 echo "Reloading Systemd..."
 sudo systemctl daemon-reload