Update Hash.pod6

doc/Type/Hash.pod6

@@ -129,10 +129,11 @@ Note: The same pitfalls explained about C<{}> sometimes creating Block's also
 apply to C<:{}>. At this time there is no C<%()> version for creating non-string
 keys.
 
-Hash keys are stored as L<Str> values in a normal hash. In many cases this is
-sufficient, but sometimes you want the hash to preserve the objects you are using
-as keys I<as the *exact* objects you are providing to the hash to use as keys>.
-In these moments you want an object hash!
+X<|object hash>X<|:{}>
+
+Now if you want to define a hash to preserve the objects you are using
+as keys I<as the *exact* objects you are providing to the hash to use as keys>,
+then object hash is what you are looking for.
 
     my %intervals{Instant};
     my $first-instant = now;
@@ -147,7 +148,8 @@ In these moments you want an object hash!
     }
 
 This example uses an object hash that only accepts keys of type L<Instant> to
-implement a rudimentary, yet type-safe, logging mechanism. We utilize a named L<state|/language/variables#The_state_Declarator>
+implement a rudimentary, yet type-safe, logging mechanism. We utilize a named 
+L<state|/language/variables#The_state_Declarator>
 variable for keeping track of the previous C<Instant> so that we can provide an interval.
 
 The whole point of object hashes is to keep keys as objects-in-themselves.