diff --git a/data-import/geo-se.py b/data-import/geo-se.py
index 449770e..6a6c8b4 100644
--- a/data-import/geo-se.py
+++ b/data-import/geo-se.py
@@ -135,10 +135,10 @@ class Nearest:
 
 
 def street_delivery(name, codes):
-    """The codes delivered to a street. Outside ONE_POSITION's cities, the digit after the postort's own prefix is 0 or 1
-    for boxes and 8 for reply mail; inside them, a second digit 0 marks boxes.
-    Per docs/research/research-geo-se.md, Postal codes → Structure.
-    The postort's own prefix is three digits where one three-digit prefix starts at least half its codes, else two."""
+    """The codes delivered to a street. A postort's own prefix is three digits where one three-digit prefix starts at
+    least half its codes, else two. Outside ONE_POSITION's cities, the digit after that prefix is 0 or 1 for boxes and 8
+    for reply mail; inside them, a second digit 0 marks boxes. The box and reply-mail digits are per
+    docs/research/research-geo-se.md, Postal codes → Structure."""
     if name in ONE_POSITION:
         return [c for c in codes if c[1] != "0"]
     largest = collections.Counter(c[:3] for c in codes).most_common(1)[0][1]