Git graph rebase terminology wrong?

[n_rammerstorfer]

So, I have a local branch "feature/feature1" that branches off "develop".

While I am working on the feature branch I make 3 commits. In the meantime, someone makes 18 commits on the develop branch.

As a responsible git user before merging my changes into "develop" I rebase "feature/feature1" onto develop.

Of course now "origin/feature/feature1" is not up to date with "feature/feature1" anymore. The top most entry in the git history graph is now "feature/feature1".
It is 18 commits ahead of "origin/feature/feature1" and 3 commits ahead of "origin/develop".

However, Sourcetree tells me that it is "18 commits ahead and 3 commits behind".
Should this not be "18 commits ahead and 3 commits ahead" instead?

Or am I understanding something wrong?

[Mike Corsaro]

Hello! This might be a bit hard to figure out without the picture of the graph itself, but that "3 commits behind" might be referring to the ancestor order rather than the date order. Could you post a picture of the graph? Thanks!