diff --git a/docs/_redirects b/docs/_redirects
index e722d5e1..da6a51b7 100644
--- a/docs/_redirects
+++ b/docs/_redirects
@@ -16,7 +16,8 @@
 /ehrql/explanation/errors/               /ehrql/how-to/errors/                302
 /ehrql/explanation/examples              /ehrql/how-to/examples/              302
 /ehrql/explanation/examples/             /ehrql/how-to/examples/              302
-/erhql/tutorial/                         /ehrql/tutorials/introduction-to-ehrql/  302
+/erhql/tutorial                          /ehrql/tutorials/introduction-to-ehrql/  301
+/erhql/tutorial/                         /ehrql/tutorials/introduction-to-ehrql/  301
 /en                                      /                                        301
 /en/                                     /                                        301
 /en/latest                               /                                        301