docs: describe the conversion

README.md

@@ -2,10 +2,12 @@
 
 ## Introduction
 
-Jinjafier is a small script to convert and existing java properties file to a jinja2 template with an included yml file with the current values of the property file.
+Jinjafier is a small script to convert and existing java properties file to a jinja2 template with an included yml file using the current values of the property file.
 
 ## Rules for converting property files
 
+The standards listed here are converted into jinja2 variables that are suitable to use as system environment variables (uppercase with _ as a delimiter.)
+
 |Property	| Note |
 |---------|------|
 |my.main-project.person.first-name  | Kebab case, which is recommended for use in .properties and YAML files.|