diff --git a/chap03.md b/chap03.md
index 05c4e2c..a9a72db 100644
--- a/chap03.md
+++ b/chap03.md
@@ -161,6 +161,18 @@ TODO: Not finished for init-only property
 
 TODO: Omitted, may come back in future
 
+#### Summary
+
+Property is like field but with internal logic for getting/setting the backing field
+
+```csharp
+public class RandomClass
+{
+    public Property1 { get; set; }
+    public Property2_ReadOnly { get; }
+}
+```
+
 ### 3.1.8 Indexers
 
 ### 3.1.9 Static Constructors