Make it clear the distinction between Any.Hash and Any.hash.

See issue #1731.
As of source code from moar-2017.12.

Author: fluca1978

doc/Type/Any.pod6

@@ -367,9 +367,11 @@ say $b.serial.^name; # OUTPUT: Any
 
 Defined as:
 
-    method Hash(--> Hash:D) is nodal
+    proto method Hash(|) is nodal
+    multi method Hash( --> Hash:D)
 
-Coerce the invocant to L<Hash>.
+
+Coerce the invocant to L<Hash> by inoking the method C<hash> on it.
 
 =head2 method hash