"first time" tweak from PerlJam++

S04-control.pod

@@ -1440,7 +1440,8 @@ phasers execute in order declared, while finalizing phasers execute in
 the opposite order.  When phasers are in different modules, the
 C<INIT> and C<END> phasers are treated as if declared at C<use> time in
 the using module.  (It is erroneous to depend on this order if the
-module is used more than once, however.)
+module is used more than once, however, since the phasers are only
+installed the first time they're noticed.)
 
 The semantics of C<INIT> and C<START> are not equivalent to each
 other in the case of cloned closures.  An C<INIT> only runs once for