diff --git a/reference/gnupg/reference.xml b/reference/gnupg/reference.xml
index ec4bd7a20f..8708825836 100644
--- a/reference/gnupg/reference.xml
+++ b/reference/gnupg/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.12 $ -->
+<!-- $Revision: 1.13 $ -->
 
 <reference xml:id="ref.gnupg" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>GnuPG &Functions;</title>
@@ -16,7 +16,7 @@
    </para>
    <para>
     Some functions require the specification of a key. This specification can
-    be anything that refers to an unique key (userid, key-id, fingerprint,
+    be anything that refers to a unique key (userid, key-id, fingerprint,
     ...).
     This documentation uses the fingerprint in all examples.
    </para>
diff --git a/reference/info/functions/zend-thread-id.xml b/reference/info/functions/zend-thread-id.xml
index eff565e802..fcfa0de090 100644
--- a/reference/info/functions/zend-thread-id.xml
+++ b/reference/info/functions/zend-thread-id.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <refentry xml:id="function.zend-thread-id">
  <refnamediv>
   <refname>zend_thread_id</refname>
@@ -13,7 +13,7 @@
    <void/>
   </methodsynopsis>
   <para>
-   This function returns an unique identifier for the current thread.
+   This function returns a unique identifier for the current thread.
   </para>
  </refsect1>
 
diff --git a/reference/mysql/functions/mysql-query.xml b/reference/mysql/functions/mysql-query.xml
index b3e1daea14..b3dc8df97d 100644
--- a/reference/mysql/functions/mysql-query.xml
+++ b/reference/mysql/functions/mysql-query.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.20 $ -->
+<!-- $Revision: 1.21 $ -->
 <refentry xml:id="function.mysql-query" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>mysql_query</refname>
@@ -14,7 +14,7 @@
    <methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter></methodparam>
   </methodsynopsis>
   <para>
-   <function>mysql_query</function> sends an unique query (multiple queries
+   <function>mysql_query</function> sends a unique query (multiple queries
    are not supported) to the currently
    active database on the server that's associated with the
    specified <parameter>link_identifier</parameter>.
diff --git a/reference/spl/functions/spl-object-hash.xml b/reference/spl/functions/spl-object-hash.xml
index e56f3d6676..b7bff76b6a 100755
--- a/reference/spl/functions/spl-object-hash.xml
+++ b/reference/spl/functions/spl-object-hash.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <refentry xml:id="function.spl-object-hash" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>spl_object_hash</refname>
@@ -14,7 +14,7 @@
    <methodparam><type>object</type><parameter>obj</parameter></methodparam>
   </methodsynopsis>
   <para>
-   This function returns an unique identifier for the object. This id can be
+   This function returns a unique identifier for the object. This id can be
    used as a hash key for storing objects or for identifying an object.
   </para>
  </refsect1>