diff --git a/reference/mcrypt/functions/mcrypt-create-iv.xml b/reference/mcrypt/functions/mcrypt-create-iv.xml
index 252462e449..685d7f03b4 100644
--- a/reference/mcrypt/functions/mcrypt-create-iv.xml
+++ b/reference/mcrypt/functions/mcrypt-create-iv.xml
@@ -40,9 +40,10 @@
      <term><parameter>source</parameter></term>
      <listitem>
       <para>
-       The source can be <constant>MCRYPT_RAND</constant> (system random
-       number generator), <constant>MCRYPT_DEV_RANDOM</constant> (read data
-       from <filename>/dev/random</filename>) and
+       The source of the IV. The source can be
+       <constant>MCRYPT_RAND</constant> (system random number generator),
+       <constant>MCRYPT_DEV_RANDOM</constant> (read data from
+       <filename>/dev/random</filename>) and
        <constant>MCRYPT_DEV_URANDOM</constant> (read data from
        <filename>/dev/urandom</filename>). Prior to 5.3.0,
        <constant>MCRYPT_RAND</constant> was the only one supported on Windows.