diff --git a/bpp4awd/ch06/exset0.md b/bpp4awd/ch06/exset0.md
index 49eda86..0b14dd2 100644
--- a/bpp4awd/ch06/exset0.md
+++ b/bpp4awd/ch06/exset0.md
@@ -3,3 +3,4 @@
 ## Dictionary Operations
 
 1. ``d['bananas']`` will evaluate to ``35``.
+2. After adding ``'oranges': 20'``, ``len(d)`` will evaluate to ``4``.