diff --git a/en/appendices/5-3-migration-guide.rst b/en/appendices/5-3-migration-guide.rst
index 50aa4e17de..b98b6d2ad0 100644
--- a/en/appendices/5-3-migration-guide.rst
+++ b/en/appendices/5-3-migration-guide.rst
@@ -57,4 +57,5 @@ Validation
 TestSuite
 ---------
 
-- `assertRedirectBack()` added to assert a successful redirect has been made to the same previous URL.
+- ``assertRedirectBack()`` added to assert a successful redirect has been made to the same previous URL.
+- ``assertRedirectBackToReferer()`` added to assert a successful redirect has been made to the referer URL.
diff --git a/en/development/testing.rst b/en/development/testing.rst
index e9b50c6615..8162072e97 100644
--- a/en/development/testing.rst
+++ b/en/development/testing.rst
@@ -1512,6 +1512,9 @@ make testing responses much simpler. Some examples are::
     // Check the Location header matches the same previous URL
     $this->assertRedirectBack();
 
+    // Check the Location header matches the referer URL
+    $this->assertRedirectBackToReferer();
+
     // Check that no Location header has been set
     $this->assertNoRedirect();