diff --git a/reference/filesystem/functions/fnmatch.xml b/reference/filesystem/functions/fnmatch.xml
index 8546bc5491..86b7894696 100644
--- a/reference/filesystem/functions/fnmatch.xml
+++ b/reference/filesystem/functions/fnmatch.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
   <refentry id="function.fnmatch">
    <refnamediv>
     <refname>fnmatch</refname> 
@@ -18,7 +18,7 @@
      match the given shell wildcard <parameter>pattern</parameter>.
     </para>
     <para>
-     This is especialy usefull for filenames, but may also be used on regular strings.
+     This is especialy useful for filenames, but may also be used on regular strings.
      The average user may be used to shell patterns or at least in their simplest form
      to <literal>'?'</literal> and <literal>'*'</literal> wildcards so using 
      <function>fnmatch</function> instead of <function>ereg</function> or 
diff --git a/reference/imap/functions/imap-ping.xml b/reference/imap/functions/imap-ping.xml
index 0457e604c4..014afcc852 100644
--- a/reference/imap/functions/imap-ping.xml
+++ b/reference/imap/functions/imap-ping.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/imap.xml, last change in rev 1.2 -->
   <refentry id="function.imap-ping">
    <refnamediv>
@@ -20,8 +20,8 @@
      it is still active. It may discover new mail; this is the
      preferred method for a periodic "new mail check" as well as a
      "keep alive" for servers which have inactivity timeout.
-     (As PHP scripts do not tend to run that long, i can hardly
-     imagine that this function will be usefull to anyone.)
+     (As PHP scripts do not tend to run that long, I can hardly
+     imagine that this function will be useful to anyone.)
     </para>
    </refsect1>
   </refentry>
diff --git a/reference/strings/functions/setlocale.xml b/reference/strings/functions/setlocale.xml
index bba22fd567..b71830143e 100644
--- a/reference/strings/functions/setlocale.xml
+++ b/reference/strings/functions/setlocale.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.15 $ -->
+<!-- $Revision: 1.16 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.setlocale">
    <refnamediv>
@@ -72,7 +72,7 @@
     <para>
      If <parameter>locale</parameter> is an array or followed by additional
      parameters then each array element or parameter is tried to be set as
-     new locale until success. This is usefull if a locale is known under
+     new locale until success. This is useful if a locale is known under
      different names on different systems or for providing a fallback 
      for a possibly not available locale.
     </para>
@@ -98,7 +98,7 @@
     </note>
     <tip>
      <para>
-      Windows users will find usefull information about
+      Windows users will find useful information about
       <parameter>locale</parameter> strings at Microsoft's
       <acronym>MSDN</acronym>website. Supported language strings can be found
       <ulink url="&url.setlocale.lang.win32;">here</ulink> and supported