diff --git a/aspnetcore/data/ef-rp/read-related-data.md b/aspnetcore/data/ef-rp/read-related-data.md
index 8337033050..7fe9879334 100644
--- a/aspnetcore/data/ef-rp/read-related-data.md
+++ b/aspnetcore/data/ef-rp/read-related-data.md
@@ -249,13 +249,13 @@ The preceding code makes the following changes:
     ```
 
   * Adds a **Courses** column that displays courses taught by each instructor. See [Explicit line transition](xref:mvc/views/razor#explicit-line-transition) for more about this razor syntax.
-  * Adds code that dynamically adds `class="success"` to the `tr` element of the selected instructor and course. This sets a background color for the selected row using a Bootstrap class.
+  * Adds code that dynamically adds `class="table-success"` to the `tr` element of the selected instructor and course. This sets a background color for the selected row using a Bootstrap class.
 
     ```html
     string selectedRow = "";
     if (item.CourseID == Model.CourseID)
     {
-        selectedRow = "success";
+        selectedRow = "table-success";
     }
     <tr class="@selectedRow">
     ```
@@ -530,13 +530,13 @@ The preceding code makes the following changes:
 
 * Adds a **Courses** column that displays courses taught by each instructor. See [Explicit line transition](xref:mvc/views/razor#explicit-line-transition) for more about this razor syntax.
 
-* Adds code that dynamically adds `class="success"` to the `tr` element of the selected instructor and course. This sets a background color for the selected row using a Bootstrap class.
+* Adds code that dynamically adds `class="table-success"` to the `tr` element of the selected instructor and course. This sets a background color for the selected row using a Bootstrap class.
 
   ```html
   string selectedRow = "";
   if (item.CourseID == Model.CourseID)
   {
-      selectedRow = "success";
+      selectedRow = "table-success";
   }
   <tr class="@selectedRow">
   ```