[S02] Clarified quotewords being bound to parameters

The sentence on how a quoteword is flattened or sliced when bound to a
parameter is a bit clearer now.

S02-bits.pod

@@ -3533,12 +3533,12 @@ and ends up storing a C<Capture> object (which weeds out any named
 arguments into a separate structure, in contrast to a C<Parcel>, which keeps
 everything in its original list).
 
-Binding is different from assignment.  If bound to a signature, the
-C<< <a b> >> parcel will be promoted to a C<Capture> object, but if
-bound to a parameter, it will make the flattening/slicing decision
-based on the nature of the individual parameter.  That is, if you
-pass C<< <a b> >> as an argument, it will bind as a single positional
-or slice item, but two slurpy items.
+Binding is different from assignment.  If bound to a signature, the C<< <a b> >>
+parcel will be promoted to a C<Capture> object, but if bound to a parameter, it
+will make the flattening/slicing decision based on the nature of the individual
+parameter.  That is, if you pass C<< <a b> >> as an argument, it will bind as a
+single item to a positional or slice parameter, and as two items to a slurpy
+parameter.
 
 But note that under the parenthesis-rewrite rule, a single value will
 still act like a single value.  These are all the same: