diff --git a/docs/x509/tutorial.rst b/docs/x509/tutorial.rst
index 54a692d..bcaec80 100644
--- a/docs/x509/tutorial.rst
+++ b/docs/x509/tutorial.rst
@@ -45,7 +45,7 @@
     ...     ))
 
 If you've already generated a key you can load it with
-:func:`~cryptography.hazmat.primitives.serialization.load_pem_public_key`.
+:func:`~cryptography.hazmat.primitives.serialization.load_pem_private_key`.
 
 Next we need to generate a certificate signing request. A typical CSR contains
 a few details: