fix doc for binary maphistory format
@@ -195,7 +195,7 @@ class MapHistory(GeometryIndexed):
# 2 bytes (uint16): number of updates
# n uptates times:
# 4 bytes (uint32): update id
- # 8 bytes (uint64): timestamp
+ # 4 bytes (uint32): timestamp
dtype = np.uint16
variant_id = 1
