From c89b823be11a5dabcc6e3ca4d72549a366c1d375 Mon Sep 17 00:00:00 2001
From: Rick Anderson <3605364+Rick-Anderson@users.noreply.github.com>
Date: Fri, 18 Sep 2020 08:34:53 -1000
Subject: [PATCH] Update read-related-data.md (#19919)

---
 aspnetcore/data/ef-rp/read-related-data.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aspnetcore/data/ef-rp/read-related-data.md b/aspnetcore/data/ef-rp/read-related-data.md
index 8d19e06f86..d167664da9 100644
--- a/aspnetcore/data/ef-rp/read-related-data.md
+++ b/aspnetcore/data/ef-rp/read-related-data.md
@@ -48,7 +48,7 @@ There are several ways that EF Core can load related data into the navigation pr
 
   ![Explicit loading example](read-related-data/_static/explicit-loading.png)
 
-* [Lazy loading](/ef/core/querying/related-data#lazy-loading). [Lazy loading was added to EF Core in version 2.1](/ef/core/querying/related-data#lazy-loading). When the entity is first read, related data isn't retrieved. The first time a navigation property is accessed, the data required for that navigation property is automatically retrieved. A query is sent to the database each time a navigation property is accessed for the first time.
+* [Lazy loading](/ef/core/querying/related-data#lazy-loading). When the entity is first read, related data isn't retrieved. The first time a navigation property is accessed, the data required for that navigation property is automatically retrieved. A query is sent to the database each time a navigation property is accessed for the first time. Lazy loading can hurt performance, for example when developers use N+1 patterns, loading a parent and enumerating through children.
 
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