Subject: About your resource page…

Hi {{first_name}},
[[your name]] here from [[your company]].
I came across [[their URL]] while looking for [[topic]].
It’s really helpful, thank you so much.
Though — can I make a quick suggestion? I have a few resources here that might be good addition to your page.
Quick fact: They were added on [[page it was added]] too.
Would you be interested if I sent them over?
Best,

[[your name]]