Update readme

README.md

@@ -10,9 +10,12 @@ ascr role php
 # - Stop FPM 7.1
 # - Restart FPM 7.3
 
+
 a -m service -a "name=php7.1-fpm state=stopped enabled=no"
 a -m service -a "name=php7.3-fpm state=started enabled=yes"
 ascr jailkit-upgrade
 
+# On the Host
+update-alternatives --config php
 etckeeper commit -m "After PHP update to PHP 7.3"
 ```