doc comment

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/moebius.py b/moebius.py
index de569809d798ce360f114fd5d6e5099ae519fc5b..9dca951c19de604bbb59b8580ec9aa06d8d7c5a2 100644 (file)
--- a/moebius.py
+++ b/moebius.py
@@ -73,7 +73,7 @@ class MoebiusHalf:
   def point(m, iu, t):
     '''
     0 <= iu <= nu     meaning 0 <= u <= 1
-                      along the extent
+                      along the extent (well, along the edge)
                        0 and 1 are both the top half of the flat traverse
                        0.5        is the bottom half of the flat traverse
     0 <=  t   <= 1    across the half-traverse