Use full word for var name

Author: coke

doc/Language/mop.pod6

@@ -17,8 +17,8 @@ is needed. For example:
 =begin code
 my $arr = [1, 2];
 sub show-type($arr) {
-    my $typ = $arr.^name;
-    say $typ;
+    my $type = $arr.^name;
+    say $type;
 }
 show-type $arr; # OUTPUT: «Array␤»
 =end code