diff --git a/slic3r.pl b/slic3r.pl
index 18d2225a6..f09699492 100755
--- a/slic3r.pl
+++ b/slic3r.pl
@@ -554,8 +554,8 @@ $j
                         of filament on the first layer, for each extruder (mm, 0+, default: $config->{min_skirt_length})
     --brim-width        Width of the brim that will get added to each object to help adhesion
                         (mm, default: $config->{brim_width})
-    --brim-ears        set to true to print the brim only on sharp corners.
-    --brim-ears-max-angle Max angle for a corner to be assigned a brim ear.
+    --brim-ears         Print brim only on sharp corners.
+    --brim-ears-max-angle Maximum angle considered for adding brim ears. (degrees, default: $config->{brim_ears_max_angle})
     --interior-brim-width  Width of the brim that will get printed inside object holes to help adhesion
                         (mm, default: $config->{interior_brim_width})