Nulceo-C5A3ZG misleading LED documentation
UM3616 Rev 2:

That paragraph should be indented under LD2 & LD3 as it refers to only those 2 LEDs - not to LD1
In addition, it would be better to make it explicit: “LD2 & LD3 are OFF when the STM32 I/O is in a high state, and ON when the STM32 I/O is in a low state”
Better yet, add an explicit note that this is opposite to LD1!
“LD2 & LD3 are OFF when the STM32 I/O is in a high state, and ON when the STM32 I/O is in a low state. Note that this is opposite to LD1”
PS:
It would also be helpful to add “Active high” on LD1 and “Active low” on LD2 & 3 in Table 7:

