Sentence examples similar to a warning must be added from inspiring English sources

A warning must be sounded.

A progestin must be added to avoid this risk.

A cautionary note must be added.

In iteration a second interior point must be added.

A note of caution must be added here.

The starch must be added a little at a time.

The move was a necessary step if the warning must be sent, Mr. Zarb said.

And shadow public health minister Luciana Berger said the warning "must be a wake-up call for David Cameron".

The FCA has proposed a risk warning be added to payday lending advertisements.

Two women who took Epilim before a warning label was added to packets reported having miscarriages.

On the website, an additional section of caution & warnings must be there.