Update README.md

README.md

@@ -29,7 +29,10 @@ Here we define a quantifier object
 The segmentations should be images which come out of ilastik, segmenting an object of interest
 The alignment json should be out of DeepSlice, QuickNII, or VisuAlign, it defines the sections position in an atlas
 The colour says which colour is the object you want to quantify in your segmentation. It is defined in RGB
-Finally the atlas name is the relevant atlas from brainglobe_atlasapi you wish to use in Quantification.
+Finally the atlas name is the relevant atlas from brainglobe_atlasapi or a custom atlas.
+
+basic_example_custom_atlas.py
+
 """
 pnt = PyNutil(
     segmentation_folder='../tests/test_data/big_caudoputamen_test/',