cleanup readme and example

examples/check.py

@@ -1,8 +1,6 @@
 """
-Example code for checking connectivity in a layout by using
-`snarled` and `masque`.
+Example code for checking connectivity in a layout by using `snarled`
 """
-from pprint import pformat
 import logging
 
 import snarled
@@ -12,13 +10,14 @@ from snarled.types import layer_t
 logging.basicConfig()
 logging.getLogger('snarled').setLevel(logging.INFO)
 
-
+# How are the conductors connected to each other?
 connectivity = [
     ((1, 0), (1, 2), (2, 0)),   # M1 to M2 (via V12)
     ((1, 0), (1, 3), (3, 0)),   # M1 to M3 (via V13)
     ((2, 0), (2, 3), (3, 0)),   # M2 to M3 (via V23)
     ]
 
+# What labels should be loaded, and which geometry layers should they apply to?
 labels_map: dict[layer_t, layer_t] = {
     (1, 0): (1, 0),
     (2, 0): (2, 0),