diff --git a/install/windows/manual.xml b/install/windows/manual.xml
index 79632a5652..55ca9ea284 100644
--- a/install/windows/manual.xml
+++ b/install/windows/manual.xml
@@ -13,7 +13,7 @@
      <para>
       Download the PHP zip binary distribution from 
       <link xlink:href="&url.php.win.downloads;">PHP for Windows: Binaries and Sources</link>. 
-      There are several different versions of the zip package - chose the version that is suitable for 
+      There are several different versions of the zip package - choose the version that is suitable for 
       the web server being used:
       <itemizedlist spacing="compact">
        <listitem>
diff --git a/reference/array/functions/array-diff-assoc.xml b/reference/array/functions/array-diff-assoc.xml
index e662ec270a..000e4b1c51 100644
--- a/reference/array/functions/array-diff-assoc.xml
+++ b/reference/array/functions/array-diff-assoc.xml
@@ -17,7 +17,7 @@
   <para>
    Compares <parameter>array1</parameter> against <parameter>array2</parameter> and
    returns the difference. Unlike <function>array_diff</function> the array
-   keys are used in the comparison.
+   keys are also used in the comparison.
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagefontheight.xml b/reference/image/functions/imagefontheight.xml
index defb69492f..148fea0a8f 100644
--- a/reference/image/functions/imagefontheight.xml
+++ b/reference/image/functions/imagefontheight.xml
@@ -26,7 +26,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns the height of the pixel.
+   Returns the pixel height of the font.
   </para>
  </refsect1>
  <refsect1 role="examples">
diff --git a/reference/image/functions/imagefontwidth.xml b/reference/image/functions/imagefontwidth.xml
index f7ddf984dd..3f0fb98494 100644
--- a/reference/image/functions/imagefontwidth.xml
+++ b/reference/image/functions/imagefontwidth.xml
@@ -26,7 +26,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns the width of the pixel
+   Returns the pixel width of the font.
   </para>
  </refsect1>
  <refsect1 role="examples">
diff --git a/reference/mongo/mongocollection/update.xml b/reference/mongo/mongocollection/update.xml
index 1a86e46578..a88d9b460d 100644
--- a/reference/mongo/mongocollection/update.xml
+++ b/reference/mongo/mongocollection/update.xml
@@ -96,7 +96,7 @@
          </para>
          <para>
           If you are using replication and the master has changed, using "safe" 
-          will make the driver disconnect from the master, throw and exception, 
+          will make the driver disconnect from the master, throw an exception, 
           and attempt to find a new master on the next operation (your 
           application must decide whether or not to retry the operation on the
           new master).