**Blender Version**
Broken: 2.7x, 2.8x
**Short description of error**
UV editor's Align operator says the wrong axis. The tooltip is wrong too. Align X aligns on Y axis, and align Y aligns on X axis.
{F8660549}
**Exact steps for others to reproduce the error**
Open default file
go to the uv editor
select uvs align X, they will be aligned in the Y axis