diff --git a/reference/strings/functions/str-replace.xml b/reference/strings/functions/str-replace.xml
index 78ba1dfd70..029683aaef 100644
--- a/reference/strings/functions/str-replace.xml
+++ b/reference/strings/functions/str-replace.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.21 $ -->
+<!-- $Revision: 1.22 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.str-replace">
    <refnamediv>
@@ -110,6 +110,13 @@ echo $output;
     
     &note.bin-safe;
     
+    <note>
+     <para>
+      This function is case-sensitive. Use <function>str_ireplace</function>
+      for case-insensitive replace.
+     </para>
+    </note>
+    
     <note>
      <simpara>
       As of PHP 5.0.0 the number of matched and replaced