clearly show the common acronym

tbrowder · web-flow · commit 392d83467380 · 2018-10-21T14:32:40.000-05:00
diff --git a/doc/Language/mop.pod6 b/doc/Language/mop.pod6
@@ -1,6 +1,6 @@
 =begin pod :tag<perl6>
 
-=TITLE Meta-object protocol
+=TITLE Meta-object protocol (MOP)
 
 =SUBTITLE Introspection and the Perl 6 object system
 
