only-en pick-24 fix CMK macro use

Author: eseyffarth

src/common/en/bi.asciidoc

@@ -380,7 +380,7 @@ image::bi_4_rule_infra_4.png[]
 
 === Introduction
 
-Now that you have a slightly more interesting tree you can get a little closer to dealing with the various display options that CMK offers.
+Now that you have a slightly more interesting tree you can get a little closer to dealing with the various display options that {CMK} offers.
 The starting point for these are the [.guihint]#Modify display options#, which you can access via the [.guihint]#Display# menu.
 This opens a box with various options.
 The content of the box always conforms to the elements shown on the page.