diff --git a/functions/mysql.xml b/functions/mysql.xml
index 300ffaf1d9..7ec589c8a6 100644
--- a/functions/mysql.xml
+++ b/functions/mysql.xml
@@ -63,7 +63,7 @@
    <refnamediv>
     <refname>mysql_change_user</refname> 
     <refpurpose>
-     Change logged in user on active connection
+     Change logged in user of the active connection
     </refpurpose>
    </refnamediv>
    <refsect1>
@@ -87,11 +87,11 @@
     </funcsynopsis>
     <para> 
      <function>mysql_change_user</function> changes the logged in user
-     on the current active connection, or, if specified on the
-     connection given by the link identifier.  If a database is
+     of the current active connection, or the connection given by the 
+     optional parameter link_identifier.  If a database is
      specified, this will default or current database after the user
-     has been changed.  If the new user/password combination fails to
-     be authorized the current connected user stays active.</para>
+     has been changed.  If the new user and password authorization fails, 
+     the current connected user stays active.</para>
      <note><para>This function was introduced in PHP 3.0.13 and
      requires MySQL 3.23.3 or higher.
     </para></note>
@@ -101,7 +101,7 @@
   <refentry id="function.mysql-close">
    <refnamediv>
     <refname>mysql_close</refname>
-    <refpurpose>close MySQL connection</refpurpose>
+    <refpurpose>Close MySQL connection</refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>
@@ -350,7 +350,7 @@
   <refentry id="function.mysql-db-query">
    <refnamediv>
     <refname>mysql_db_query</refname>
-    <refpurpose>Send an MySQL query to MySQL</refpurpose>
+    <refpurpose>Send a MySQL query</refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>
@@ -424,7 +424,7 @@
   <refentry id="function.mysql-errno">
    <refnamediv>
     <refname>mysql_errno</refname> 
-    <refpurpose>Returns the number of the error message from previous
+    <refpurpose>Returns the numerical value of the error message from previous
      MySQL operation</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1101,7 +1101,7 @@ mysql_close();
    <refnamediv>
     <refname>mysql_list_dbs</refname> 
     <refpurpose>
-     List databases available on on MySQL server
+     List databases available on a MySQL server
     </refpurpose>
    </refnamediv>
    <refsect1>
@@ -1342,7 +1342,7 @@ mysql_close();
   <refentry id="function.mysql-query">
    <refnamediv>
     <refname>mysql_query</refname>
-    <refpurpose>Send an SQL query to MySQL</refpurpose>
+    <refpurpose>Send a MySQL query</refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>