diff --git a/docs/ref/contrib/admin/index.txt b/docs/ref/contrib/admin/index.txt
index e0e57b9fc09c..f75b950262de 100644
--- a/docs/ref/contrib/admin/index.txt
+++ b/docs/ref/contrib/admin/index.txt
@@ -1278,7 +1278,7 @@ subclass::
     ======  ====================
     Prefix  Lookup
     ======  ====================
-    ^       :lookup:`startswith`
+    ^       :lookup:`istartswith`
     =       :lookup:`iexact`
     @       :lookup:`search`
     None    :lookup:`icontains`