diff --git a/Doc/Collection/Collection.md b/Doc/Collection/Collection.md
index 983ec6623..995861b3f 100644
--- a/Doc/Collection/Collection.md
+++ b/Doc/Collection/Collection.md
@@ -17,6 +17,7 @@ An administrative grouping of entities that are adressed and treated as a unit f
 * [FurnitureCollection](FurnitureCollection.md)
 * [Portfolio](Portfolio.md)
 * [Premises](Premises.md)
+* [RealEstate](RealEstate.md)
 * [Loop](Loop/Loop.md)
 * [System](System/System.md)
 
diff --git a/Doc/index.full.md b/Doc/index.full.md
index 0b81a74ca..ef4b4eb0b 100644
--- a/Doc/index.full.md
+++ b/Doc/index.full.md
@@ -311,6 +311,7 @@
     * [Portfolio](Collection/Portfolio.md)
     * [Premises](Collection/Premises.md)
     * [PV_Array](Collection/PV_Array.md)
+    * [RealEstate](Collection/RealEstate.md)
     * [System](Collection/System/System.md)
         * [Domestic_Hot_Water_System](Collection/System/Domestic_Hot_Water_System.md)
         * [Electrical_System](Collection/System/Electrical_System/Electrical_System.md)
diff --git a/Doc/index.md b/Doc/index.md
index 229c628ab..e5e33a53a 100644
--- a/Doc/index.md
+++ b/Doc/index.md
@@ -49,6 +49,7 @@ For an index of the entire inheritance tree (much larger), see the [Full Type In
     * [Portfolio](Collection/Portfolio.md)
     * [Premises](Collection/Premises.md)
     * [PV_Array](Collection/PV_Array.md)
+    * [RealEstate](Collection/RealEstate.md)
     * [System](Collection/System/System.md)
 * [Event](Event/Event.md)
     * [ElevatorTrip](Event/ElevatorTrip.md)