diff --git a/src/main/java/com/lambdaworks/crypto/SCrypt.java b/src/main/java/com/lambdaworks/crypto/SCrypt.java
index 6274238..0540ae2 100644
--- a/src/main/java/com/lambdaworks/crypto/SCrypt.java
+++ b/src/main/java/com/lambdaworks/crypto/SCrypt.java
@@ -35,8 +35,8 @@ public class SCrypt {
      *
      * @param passwd    Password.
      * @param salt      Salt.
-     * @param N         CPU cost parameter.
-     * @param r         Memory cost parameter.
+     * @param N         CPU/memory cost parameter.
+     * @param r         Block size parameter.
      * @param p         Parallelization parameter.
      * @param dkLen     Intended length of the derived key.
      *
@@ -54,8 +54,8 @@ public static byte[] scrypt(byte[] passwd, byte[] salt, int N, int r, int p, int
      *
      * @param passwd    Password.
      * @param salt      Salt.
-     * @param N         CPU cost parameter.
-     * @param r         Memory cost parameter.
+     * @param N         CPU/memory cost parameter.
+     * @param r         Block size parameter.
      * @param p         Parallelization parameter.
      * @param dkLen     Intended length of the derived key.
      *
@@ -68,8 +68,8 @@ public static byte[] scrypt(byte[] passwd, byte[] salt, int N, int r, int p, int
      *
      * @param passwd    Password.
      * @param salt      Salt.
-     * @param N         CPU cost parameter.
-     * @param r         Memory cost parameter.
+     * @param N         CPU/memory cost parameter.
+     * @param r         Block size parameter.
      * @param p         Parallelization parameter.
      * @param dkLen     Intended length of the derived key.
      *
diff --git a/src/main/java/com/lambdaworks/crypto/SCryptUtil.java b/src/main/java/com/lambdaworks/crypto/SCryptUtil.java
index ca29a00..af7b438 100644
--- a/src/main/java/com/lambdaworks/crypto/SCryptUtil.java
+++ b/src/main/java/com/lambdaworks/crypto/SCryptUtil.java
@@ -33,8 +33,8 @@ public class SCryptUtil {
      * in {@link SCryptUtil}.
      *
      * @param passwd    Password.
-     * @param N         CPU cost parameter.
-     * @param r         Memory cost parameter.
+     * @param N         CPU/memory cost parameter.
+     * @param r         Block size parameter.
      * @param p         Parallelization parameter.
      *
      * @return The hashed password.