Update comment.

test/full-program-tests/issue-4475-case-2/main.pony

@@ -1,6 +1,6 @@
 """
 Unlike case 1 (test/full-program-tests/issue-4475-case-1/main.pony) of the
-#4475 issue test, this code passed before the fix because the Pony
+#4475 issue test, this code managed to compile before the fix because the Pony
 statement error was not generated before a termination instruction (e.g. ret).
 """
 class Foo