1 files changed, 5 insertions, 0 deletions
diff --git a/digital/avr/modules/path/path.txt b/digital/avr/modules/path/path.txt
index b9be6314..0881e1f6 100644
@@ -47,6 +47,11 @@ list of obstacles. The callback is defined in the ``avrconfig.h`` file.
The number of possible obstacles and the number of points per obstacle used in
the algorithm are defined at compile time.
+Borders are used to eliminate path points outside the area. They are ignored
+for the source and destination points. This is done on purpose, as it would
+not be convenient to forbid any path computation as long as the mobile is too
+close from the area borders.
How does it work?