minor typos in the documentation (a/an)

docs/reference/gio/migrating-gconf.xml

@@ -134,7 +134,7 @@
 
     <section><title>Change sets</title>
       <para>
-        GConf has a a concept of a set of changes which can be applied or reverted
+        GConf has a concept of a set of changes which can be applied or reverted
         at once: #GConfChangeSet (GConf doesn't actually apply changes atomically,
         which is one of its shortcomings).
       </para>

docs/reference/gio/migrating-gdbus.xml

@@ -12,7 +12,7 @@
 
     <para>
       The central concepts of D-Bus are modelled in a very similar way
-      in dbus-glib and GDBus. Both have a objects representing connections,
+      in dbus-glib and GDBus. Both have objects representing connections,
       proxies and method invocations. But there are some important
       differences:
       <itemizedlist>

docs/reference/glib/gvariant-text.xml

@@ -38,7 +38,7 @@
 
    <informalexample><programlisting>[[1, 2, 3], [4, 5, 6.0]]</programlisting></informalexample>
 
-   is parsed as a array of arrays of doubles (type '<literal>aad</literal>').
+   is parsed as an array of arrays of doubles (type '<literal>aad</literal>').
   </para>
 
   <para>

docs/reference/glib/regex-syntax.xml

@@ -2177,7 +2177,7 @@ written like this (ignore whitespace and line breaks):
 </programlisting>
 
 <para>
-The first part of the pattern is a DEFINE group inside which a another group
+The first part of the pattern is a DEFINE group inside which another group
 named "byte" is defined. This matches an individual component of an IPv4
 address (a number less than 256). When matching takes place, this part of the
 pattern is skipped because DEFINE acts like a false condition.

docs/reference/gobject/tut_howto.xml

@@ -379,7 +379,7 @@ viewer_file_class_init (ViewerFileClass *klass)
     </para>
 
     <para>
-      Some people sometimes need to complete the initialization of a instance
+      Some people sometimes need to complete the initialization of an instance
       of a type only after the properties passed to the constructors have been
       set. This is possible through the use of the <function>constructor()</function>
       class method as described in <xref linkend="gobject-instantiation"/> or,
@@ -1381,7 +1381,7 @@ viewer_audio_file_init (ViewerAudioFile *self)
 
     <para>
       To call the base class implementation of an interface
-      method from an derived class where than interface method has been
+      method from a derived class where than interface method has been
       overridden, stash away the pointer returned from
       <function><link linkend="g-type-interface-peek-parent">g_type_interface_peek_parent</link></function>
       in a global variable.