correct check breaking acronyms

DESCRIPTION

@@ -8,7 +8,7 @@ Authors@R: c(person("Nathan", "Sheffield", email = "nathan@code.databio.org",
 Maintainer: Michal Stolarczyk <michal@virginia.edu>
 Description: A PEP, or Portable Encapsulated Project, is a dataset that 
     subscribes to the PEP structure for organizing metadata. It is written using
-    a simple yaml + csv format, it is your one-stop solution to metadata 
+    a simple YAML + CSV format, it is your one-stop solution to metadata 
     management across data analysis environments. This package reads this 
     standardized project configuration structure into R.
 Imports: