diff --git a/BinaryObjectScanner/ProtectionDictionary.cs b/BinaryObjectScanner/ProtectionDictionary.cs
index f11e3141..e7824962 100644
--- a/BinaryObjectScanner/ProtectionDictionary.cs
+++ b/BinaryObjectScanner/ProtectionDictionary.cs
@@ -8,6 +8,9 @@ using System.Linq;
 
 namespace BinaryObjectScanner
 {
+    /// <summary>
+    /// Represents a mapping from file to a set of protections
+    /// </summary>
 #if NET20 || NET35
     public class ProtectionDictionary : Dictionary<string, Queue<string>>
 #else