perldiag: Add cat for Duplicate modifier

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 447eb63..e89be9b 100644 (file)
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -1760,8 +1760,8 @@ already been freed.
 
 =item Duplicate modifier '%c' after '%c' in %s
 
-(W) You have applied the same modifier more than once after a type
-in a pack template.  See L<perlfunc/pack>.
+(W unpack) You have applied the same modifier more than once after a
+type in a pack template.  See L<perlfunc/pack>.
 
 =item elseif should be elsif