The numbers of commits in the development block is incorrectly displayed

[Margarita Tihomirova]

In Jira Cloud in issue development block display 1 commit

http://prntscr.com/g9khhj

but in real there are 3 commit (including merge)

http://prntscr.com/g9kj3a

Tell me please, because of what could be such a problem?