Thanks for getting back to me.
No, that particular comment did not include any other link or text.
However, when I included the link below (from other threads) after adding some more text with my reply, it did go through:
No, I didn't copy/paste the text. However, I only took the help page link (Rising talent) from other thread which I did mention in my reply to that post.
Earlier, it didn't go through when I tried with the other help page link may be because that link contains a "?" mark. I'm not sure.