expanded COS abbrev

Author: adaptun

README.md

@@ -1,5 +1,5 @@
 # cos-guidelines
-This is the first approximation of COS guidelines we use for github.com/intersystems-ru projects. There are mandatory and recommended parts.
+This is the first approximation of Caché ObjectScript (COS) guidelines we use for github.com/intersystems-ru projects. There are mandatory and recommended parts.
 
 We do not plan to be very restrictive, but want be rather flexible enough and allow any *reasonable* style.
 Here is the general advice: use common sense and try to *be consistent* wherever you write code.