diff --git a/functions/mcrypt.xml b/functions/mcrypt.xml
index 817a6f6d5d..84c15807df 100644
--- a/functions/mcrypt.xml
+++ b/functions/mcrypt.xml
@@ -341,7 +341,7 @@ $iv = mcrypt_create_iv ($block_size, MCRYPT_DEV_RANDOM);
    <refsect1>
     <title>Description</title>
     <funcsynopsis>
-     <funcdef>int <function>mcrypt_cbc</function></funcdef>
+     <funcdef>string <function>mcrypt_cbc</function></funcdef>
      <paramdef>int <parameter>cipher</parameter></paramdef>
      <paramdef>string <parameter>key</parameter></paramdef>
      <paramdef>string <parameter>data</parameter></paramdef>
@@ -390,7 +390,7 @@ $iv = mcrypt_create_iv ($block_size, MCRYPT_DEV_RANDOM);
    <refsect1>
     <title>Description</title>
     <funcsynopsis>
-     <funcdef>int <function>mcrypt_cfb</function></funcdef>
+     <funcdef>string <function>mcrypt_cfb</function></funcdef>
      <paramdef>int <parameter>cipher</parameter></paramdef>
      <paramdef>string <parameter>key</parameter></paramdef>
      <paramdef>string <parameter>data</parameter></paramdef>
@@ -437,7 +437,7 @@ $iv = mcrypt_create_iv ($block_size, MCRYPT_DEV_RANDOM);
    <refsect1>
     <title>Description</title>
     <funcsynopsis>
-     <funcdef>int <function>mcrypt_ecb</function></funcdef>
+     <funcdef>string <function>mcrypt_ecb</function></funcdef>
      <paramdef>int <parameter>cipher</parameter></paramdef>
      <paramdef>string <parameter>key</parameter></paramdef>
      <paramdef>string <parameter>data</parameter></paramdef>
@@ -480,7 +480,7 @@ $iv = mcrypt_create_iv ($block_size, MCRYPT_DEV_RANDOM);
    <refsect1>
     <title>Description</title>
     <funcsynopsis>
-     <funcdef>int <function>mcrypt_ofb</function></funcdef>
+     <funcdef>string <function>mcrypt_ofb</function></funcdef>
      <paramdef>int <parameter>cipher</parameter></paramdef>
      <paramdef>string <parameter>key</parameter></paramdef>
      <paramdef>string <parameter>data</parameter></paramdef>