--- a/usr/src/doc/rad-dev/c-adr.xml	Tue May 22 04:45:02 2012 -0700
+++ b/usr/src/doc/rad-dev/c-adr.xml	Tue Jun 19 17:37:39 2012 -0400
@@ -25,7 +25,7 @@
 takes the concepts discussed in the previous chapter and (contrary to
 its name) makes them concrete by defining a formal
 <acronym>IDL</acronym> for describing types and
-<acronym>API</acronym>s; by supplying a toolchain for operating on that
+interfaces; by supplying a toolchain for operating on that
 <acronym>IDL</acronym>; and by providing libraries used by
 <command>rad</command>, its extension modules, and its clients.
 </para>