diff --git a/acme4j-utils/src/test/java/org/shredzone/acme4j/util/CertificateUtilsTest.java b/acme4j-utils/src/test/java/org/shredzone/acme4j/util/CertificateUtilsTest.java
index 8fb45cec..33cd7e16 100644
--- a/acme4j-utils/src/test/java/org/shredzone/acme4j/util/CertificateUtilsTest.java
+++ b/acme4j-utils/src/test/java/org/shredzone/acme4j/util/CertificateUtilsTest.java
@@ -86,7 +86,7 @@ public class CertificateUtilsTest {
      * creates a good certificate.
      */
     @Test
-    public void testCreateTlsSni02Certificate() throws IOException, CertificateParsingException {
+    public void testCreateTlsAlpn01Certificate() throws IOException, CertificateParsingException {
         KeyPair keypair = KeyPairUtils.createKeyPair(2048);
         String subject = "example.com";
         byte[] acmeValidationV1 = AcmeUtils.sha256hash("rSoI9JpyvFi-ltdnBW0W1DjKstzG7cHixjzcOjwzAEQ");
diff --git a/src/site/markdown/challenge/tls-alpn-01.md b/src/site/markdown/challenge/tls-alpn-01.md
index 0854bd80..3f087f6e 100644
--- a/src/site/markdown/challenge/tls-alpn-01.md
+++ b/src/site/markdown/challenge/tls-alpn-01.md
@@ -10,7 +10,7 @@ This challenge is not part of the ACME specifications. It is specified [in a sep
 `TlsAlpn01Challenge` provides a byte array called `acmeValidationV1`:
 
 ```java
-TlsSni02Challenge challenge = auth.findChallenge(TlsSni02Challenge.TYPE);
+TlsAlpn01Challenge challenge = auth.findChallenge(TlsAlpn01Challenge.TYPE);
 
 byte[] acmeValidationV1 = challenge.getAcmeValidationV1();
 ```