modified get started page

vignettes/youthvars.Rmd

@@ -17,7 +17,7 @@ knitr::opts_chunk$set(
 ```{r setup}
 library(youthvars)
 ```
-The tools in youthvars are designed to make it easier to use individual human record data (including synthetic data) with [ready4 - an open source health economic model of the systems shaping mental health and wellbeing in young people](https://www.ready4-dev.com).
+The tools in youthvars are designed to make it easier to use youth mental health human record data (including synthetic data) in models developed with the [ready4 framework](https://www.ready4-dev.com).
 
 youthvars is a set of tools designed to help describe and validate types of data commonly present in youth mental health collections.