diff --git a/luni/src/main/java/java/security/cert/CertificateFactorySpi.java b/luni/src/main/java/java/security/cert/CertificateFactorySpi.java
index 95c66e3..117ef65 100644
--- a/luni/src/main/java/java/security/cert/CertificateFactorySpi.java
+++ b/luni/src/main/java/java/security/cert/CertificateFactorySpi.java
@@ -106,14 +106,15 @@
 
     /**
      * Generates a {@code CertPath} (a certificate chain) from the given
-     * {@code inputStream}, assuming the given {@code charsetName}.
+     * {@code inputStream}, assuming the given {@code encoding} from
+     * {@link #engineGetCertPathEncodings()}.
      *
      * @throws CertificateException
      *             if parsing problems are detected.
      * @throws UnsupportedOperationException
      *             if the provider does not implement this method.
      */
-    public CertPath engineGenerateCertPath(InputStream inStream, String charsetName)
+    public CertPath engineGenerateCertPath(InputStream inStream, String encoding)
             throws CertificateException {
         throw new UnsupportedOperationException();
     }