Renames sign_509_request to create_x509_csr.
diff --git a/src/cryptography/x509.py b/src/cryptography/x509.py
index 012c13b..2ee1c3e 100644
--- a/src/cryptography/x509.py
+++ b/src/cryptography/x509.py
@@ -1484,4 +1484,4 @@
         """
         Signs the request using the requestor's private key.
         """
-        return backend.sign_x509_request(self, private_key, algorithm)
+        return backend.create_x509_csr(self, private_key, algorithm)