diff --git a/reference/strings/functions/substr-compare.xml b/reference/strings/functions/substr-compare.xml
index 0ca3510318..43933d64ed 100644
--- a/reference/strings/functions/substr-compare.xml
+++ b/reference/strings/functions/substr-compare.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
   <refentry id="function.substr-compare">
    <refnamediv>
     <refname>substr_compare</refname>
@@ -15,7 +15,7 @@
      <methodparam><type>string</type><parameter>str</parameter></methodparam>
      <methodparam><type>int</type><parameter>offset</parameter></methodparam>
      <methodparam choice="opt"><type>int</type><parameter>length</parameter></methodparam>
-     <methodparam choice="opt"><type>bool</type><parameter>case_sensitivity</parameter></methodparam>
+     <methodparam choice="opt"><type>bool</type><parameter>case_insensitivity</parameter></methodparam>
     </methodsynopsis>
 
     <para>
@@ -32,8 +32,8 @@
      <function>substr_compare</function> prints warning and returns &false;.
     </para>
     <para>
-     If <parameter>case_sensitivity</parameter> is &true;, comparison is case
-     sensitive.
+     If <parameter>case_insensitivity</parameter> is &true;, comparison is case
+     insensitive.
     </para>
     <para>
      <example>