uptaded readme according to auto imports

README.md

@@ -8,9 +8,12 @@
 
 Feel free to commit improvements and enjoy !
 
-## Requirements
+## Requirements (**only choose one of the two options in the bulleted list below**)
+* Install modules manually
 1. printy module which can be installed with ```pip3 install printy```
 2. rsa module which can be installed with `pip3 install rsa`
+* Let ZCrypt automatically fetch and install modules for you
+1. have the `pip3` command installed and available (see [pip docs](https://pip.pypa.io/en/stable/installing/) to install)
 
 # Special thanks
 Edraobdu for his amazing [printy module](https://github.com/edraobdu/printy)