diff --git a/reference/mongo/queries.xml b/reference/mongo/queries.xml
index 6422dcba37..4470e27ad6 100644
--- a/reference/mongo/queries.xml
+++ b/reference/mongo/queries.xml
@@ -149,7 +149,7 @@ $cursor = $collection->find(array("awards.first place" => "gold"));
   </programlisting>
 
   <para>
-   Notice that it doesn't matter that there is a space in the the field name
+   Notice that it doesn't matter that there is a space in the field name
    (although it may be best not to use spaces, just to make things more 
    readable).
   </para>
diff --git a/reference/mongo/updates.xml b/reference/mongo/updates.xml
index da7933ce21..e928061b61 100644
--- a/reference/mongo/updates.xml
+++ b/reference/mongo/updates.xml
@@ -5,7 +5,7 @@
  <title>Updates</title>
 
  <para>
-  Updates can be one of the the most complicated operation available with 
+  Updates can be one of the most complicated operation available with 
   MongoDB.  They combine a query with an action, modifying documents that match
   the criteria.  They are also extremely powerful, allowing you to change 
   documents quickly and replace them altogether.  They are done in-place (when 
diff --git a/reference/mqseries/configure.xml b/reference/mqseries/configure.xml
index 56224aef54..4c181f4ed1 100644
--- a/reference/mqseries/configure.xml
+++ b/reference/mqseries/configure.xml
@@ -14,7 +14,7 @@
   </simpara>
  </note>
  <para>
-  There are two ways to connect to to a queue manager. These depend on the way the extension is compiled and linked.
+  There are two ways to connect to a queue manager. These depend on the way the extension is compiled and linked.
    <itemizedlist>
     <listitem>
      <para>
diff --git a/reference/mysqlnd/stats.xml b/reference/mysqlnd/stats.xml
index 12a1c3f015..d220abadc9 100644
--- a/reference/mysqlnd/stats.xml
+++ b/reference/mysqlnd/stats.xml
@@ -388,7 +388,7 @@
       <literal>SHOW</literal>. The statistic will not be incremented if
       there is an error reading the result set header packet from the
       line.</entry>
-     <entry>You may use it an an indirect measure for the number of queries PHP has
+     <entry>You may use it as an indirect measure for the number of queries PHP has
       sent to MySQL, for example, to identify a client that causes a
       high database load.</entry>
     </row>
diff --git a/reference/oauth/oauthprovider/construct.xml b/reference/oauth/oauthprovider/construct.xml
index 2e93c1a78f..6ca4864d05 100644
--- a/reference/oauth/oauthprovider/construct.xml
+++ b/reference/oauth/oauthprovider/construct.xml
@@ -28,7 +28,7 @@
     <term><parameter>params_array</parameter></term>
     <listitem>
      <para>
-      Setting these these optional parameters is limited to the
+      Setting these optional parameters is limited to the
       <link linkend="features.commandline">CLI SAPI</link>.
      </para>
     </listitem>
diff --git a/reference/oci8/configure.xml b/reference/oci8/configure.xml
index 5d38022977..c08eb0e4dc 100644
--- a/reference/oci8/configure.xml
+++ b/reference/oci8/configure.xml
@@ -38,7 +38,7 @@
   without impacting the rest of PHP.
  </para>
  <para>
-  Configure OCI8 using one of the the following configure options.
+  Configure OCI8 using one of the following configure options.
  </para>
  <para>
   <itemizedlist>
diff --git a/reference/overload/examples.xml b/reference/overload/examples.xml
index 8775db04e0..d37623de9f 100644
--- a/reference/overload/examples.xml
+++ b/reference/overload/examples.xml
@@ -48,7 +48,7 @@ echo "\$o->d: $o->d\n"; // print: $o->d:
 // add a new item to the $elem array in OO
 $o->x = 56; 
 
-// instantiate stdclass (it is built-in in PHP 4)
+// instantiate stdclass (it is built-in PHP 4)
 // $val is not overloaded!
 $val = new stdclass;
 $val->prop = 555;
diff --git a/reference/phar/Phar/decompress.xml b/reference/phar/Phar/decompress.xml
index ca2ef0804a..4eebc75202 100644
--- a/reference/phar/Phar/decompress.xml
+++ b/reference/phar/Phar/decompress.xml
@@ -20,7 +20,7 @@
   <para>
    For Zip-based phar archives, this method fails with an exception.
    The <link linkend="ref.zlib">zlib</link> extension must be enabled to decompress
-   an archive compressed with with gzip compression, and the
+   an archive compressed with gzip compression, and the
    <link linkend="ref.bzip2">bzip2</link> extension must be
    enabled in order to decompress an archive compressed with bzip2 compression.
    As with all functionality that modifies the contents of a phar, the
diff --git a/reference/phar/PharData/decompress.xml b/reference/phar/PharData/decompress.xml
index 7c1d513aa7..b5305f611f 100644
--- a/reference/phar/PharData/decompress.xml
+++ b/reference/phar/PharData/decompress.xml
@@ -19,7 +19,7 @@
   <para>
    For Zip-based archives, this method fails with an exception.
    The <link linkend="ref.zlib">zlib</link> extension must be enabled to decompress
-   an archive compressed with with gzip compression, and the
+   an archive compressed with gzip compression, and the
    <link linkend="ref.bzip2">bzip2</link> extension must be
    enabled in order to decompress an archive compressed with bzip2 compression.
   </para>
diff --git a/reference/sca/examples.xml b/reference/sca/examples.xml
index f4d1adc136..6c1c2a7e78 100644
--- a/reference/sca/examples.xml
+++ b/reference/sca/examples.xml
@@ -184,7 +184,7 @@ class ConvertedStockQuote {
   
   <para>
    The @reference annotation before an instance variable
-   indicates that that instance variable is to be initialized with a
+   indicates that the instance variable is to be initialized with a
    proxy to a component. 
   </para>
   
diff --git a/reference/spl/parentiterator/accept.xml b/reference/spl/parentiterator/accept.xml
index 5bc627500a..50c9f8310b 100644
--- a/reference/spl/parentiterator/accept.xml
+++ b/reference/spl/parentiterator/accept.xml
@@ -14,7 +14,7 @@
    <void />
   </methodsynopsis>
   <para>
-   Determines if the the current element has children.
+   Determines if the current element has children.
   </para>
 
   &warn.undocumented.func;
diff --git a/reference/spl/splqueue/dequeue.xml b/reference/spl/splqueue/dequeue.xml
index a2aac321f1..5ea7ab9be4 100644
--- a/reference/spl/splqueue/dequeue.xml
+++ b/reference/spl/splqueue/dequeue.xml
@@ -12,7 +12,7 @@
    <void />
   </methodsynopsis>
   <para>
-   Dequeues <parameter>value</parameter> from the top of of the queue.
+   Dequeues <parameter>value</parameter> from the top of the queue.
   </para>
   <note>
    <para>
diff --git a/reference/unicode/reference.xml b/reference/unicode/reference.xml
index 1369b67ca1..70ee3a7b89 100644
--- a/reference/unicode/reference.xml
+++ b/reference/unicode/reference.xml
@@ -3,7 +3,7 @@
 
 <!-- note to translators:
      do NOT translate anything in this extension!!
-     the docs will change very very often -->
+     the docs will change often -->
 
 <reference xml:id="ref.unicode" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Unicode &Functions;</title>
diff --git a/reference/zip/ziparchive/unchangearchive.xml b/reference/zip/ziparchive/unchangearchive.xml
index d93589b65a..76e7bbba3d 100644
--- a/reference/zip/ziparchive/unchangearchive.xml
+++ b/reference/zip/ziparchive/unchangearchive.xml
@@ -12,7 +12,7 @@
    <void/>
   </methodsynopsis>
   <para>
-   Revert all global changes to the archive archive.  For now, this
+   Revert all global changes to the archive.  For now, this
    only reverts archive comment changes.
   </para>
  </refsect1>