Facebook Like + Send (send do not show)

So, I use Facebook, as in combination with the submit button, using the following HTML5 code:

<div class="fb-like" data-send="true" data-layout="button_count" data-width="120" data-show-faces="false" data-colorscheme="dark" data-font="arial">

The problem is that the Submit button flickers for a moment and then disappears. Please note that this is only the case with data-layout = button_count. When the data format is set to "standard", it remains, although it displays other unwanted text (in our case).

Nowhere in the documentation that I can find does it say that the data-send = true flag does not display the send button when the data layout is set to button_count.

In this case, even on the example page on facebook:

https://developers.facebook.com/docs/reference/plugins/like/

The fact that the submit button flickers and then disappears (EVEN ON FACEBOOK EXAMPLES PAGE) makes me consider this a mistake.

Can any known person shed light on what is happening?

Thank!