make code compile

Author: coke

doc/Type/Signature.pod6

@@ -467,10 +467,11 @@ sub square-str (Int $x --> Str(Int)) {
 for 2,4, *²  … 256 -> $a {
     say $a, "² is ", square-str( $a ).chars, " figures long";
 }
+
 # OUTPUT: «2² is 1 figures long␤
-4² is 2 figures long␤
-16² is 3 figures long␤
-256² is 5 figures long␤»
+#          4² is 2 figures long␤
+#          16² is 3 figures long␤
+#          256² is 5 figures long␤»
 =end code
 
 In this example, coercing the return type to C<String> allows us to directly apply string methods, such as the number of characters.