diff --git a/checkstyle/plugin.jelly b/checkstyle/plugin.jelly
index a813f6ca..43f7ece2 100644
--- a/checkstyle/plugin.jelly
+++ b/checkstyle/plugin.jelly
@@ -28,9 +28,16 @@
   xmlns:ant="jelly:ant"
   xmlns:util="jelly:util"
   xmlns:doc="doc"
+  xmlns:maven="jelly:maven"
   xmlns:define="jelly:define"
   xmlns:checkstyle="checkstyle">
 
+  <j:if test="${bootstrapping == null}">
+    <!-- fake test because the plugin:available tag is avalaible in the maven-plugin-plugin 1.7 and newer. Thus maven will break if it's not present. -->  
+    <plugin:available groupId="maven" artifactId="maven-plugin-plugin" minRelease="1.7" neededBy="maven-faq-plugin"/>
+    <plugin:available groupId="maven" artifactId="maven-xdoc-plugin" minRelease="1.10" neededBy="maven-faq-plugin"/>
+  </j:if>
+
   <!--
      ========================================================================
        Default goal.
@@ -136,7 +143,21 @@
       file="${maven.checkstyle.cache.file}"/>
     <ant:mkdir dir="${maven.checkstyle.cache.dir}"/>
 
+    <maven:get var="currentLocale" plugin="maven-xdoc-plugin" property="maven.xdoc.locale.default"/>
+    <!-- Extract localeCountry -->
+    <j:choose>
+          <j:when test="${currentLocale.length() >= 2}">
+            <j:set var="localeCountry" value="${currentLocale.substring(0,2)}"/>
+          </j:when>
+          <j:otherwise>
+            <echo>The locale defined in maven.xdoc.locale.default is invalid.</echo>
+            <echo>As Coutry code we'll use EN instead.</echo>
+            <j:set var="localeCountry" value="EN"/>
+          </j:otherwise>
+    </j:choose>
+
     <ant:echo>Using ${checkstyleProperties} for checkstyle ...</ant:echo>
+    <ant:echo>LocaleCountry : ${localeCountry}</ant:echo>
 
     <ant:checkstyle
       configURL="${checkstyleProperties}"
@@ -148,6 +169,8 @@
         file="${maven.checkstyle.cache.file}"/>
       <property key="checkstyle.suppressions.file" 
         file="${maven.checkstyle.suppressions.file}"/>
+      <property key="checkstyle.localeCountry" 
+        value="${localeCountry}"/>
 
       <ant:fileset dir="${pom.build.sourceDirectory}"
         includes="${maven.checkstyle.includes}"
diff --git a/checkstyle/src/plugin-resources/avalon_checks.xml b/checkstyle/src/plugin-resources/avalon_checks.xml
index 26e1d461..c0296537 100644
--- a/checkstyle/src/plugin-resources/avalon_checks.xml
+++ b/checkstyle/src/plugin-resources/avalon_checks.xml
@@ -50,6 +50,9 @@
 
 <module name="Checker">
 
+    <!-- Locale to use to generate messages -->
+    <property name="localeCountry" value="${checkstyle.localeCountry}"/>
+
     <!-- Checks that a package.html file exists for each package.     -->
     <!-- See http://checkstyle.sf.net/config_javadoc.html#PackageHtml -->
     <module name="PackageHtml"/>
diff --git a/checkstyle/src/plugin-resources/sun_checks.xml b/checkstyle/src/plugin-resources/sun_checks.xml
index 9065a34b..8855a00a 100644
--- a/checkstyle/src/plugin-resources/sun_checks.xml
+++ b/checkstyle/src/plugin-resources/sun_checks.xml
@@ -50,6 +50,9 @@
 
 <module name="Checker">
 
+    <!-- Locale to use to generate messages -->
+    <property name="localeCountry" value="${checkstyle.localeCountry}"/>
+    
     <!-- Checks that a package.html file exists for each package.     -->
     <!-- See http://checkstyle.sf.net/config_javadoc.html#PackageHtml -->
     <module name="PackageHtml"/>
diff --git a/checkstyle/src/plugin-resources/turbine_checks.xml b/checkstyle/src/plugin-resources/turbine_checks.xml
index 6940e708..3ed4a7cb 100644
--- a/checkstyle/src/plugin-resources/turbine_checks.xml
+++ b/checkstyle/src/plugin-resources/turbine_checks.xml
@@ -50,6 +50,9 @@
 
 <module name="Checker">
 
+    <!-- Locale to use to generate messages -->
+    <property name="localeCountry" value="${checkstyle.localeCountry}"/>
+    
     <!-- Checks that a package.html file exists for each package.     -->
     <!-- See http://checkstyle.sf.net/config_javadoc.html#PackageHtml -->
     <module name="PackageHtml"/>
diff --git a/checkstyle/xdocs/changes.xml b/checkstyle/xdocs/changes.xml
index aba78348..aa5535bf 100644
--- a/checkstyle/xdocs/changes.xml
+++ b/checkstyle/xdocs/changes.xml
@@ -26,6 +26,9 @@
   </properties>
   <body>
     <release version="3.0-SNAPSHOT" date="in SVN">
+      <action dev="aheritier" type="update">It requires at least maven-plugin-plugin v1.7.</action>
+      <action dev="aheritier" type="update">It requires at least maven-xdoc-plugin v1.10.</action>
+      <action dev="aheritier" type="update" issue="MPCHECKSTYLE-39">The checkstyle plugin use the maven.xdoc.locale.default to generate the report.</action>
       <action dev="carlos" type="add" issue="MPCHECKSTYLE-30">Ability to check test sources using property maven.checkstyle.check.tests</action>
       <action dev="carlos" type="add">Generate reports filtered by severity</action>
       <action dev="carlos" type="update">Support for Java5</action>
diff --git a/checkstyle/xdocs/index.xml b/checkstyle/xdocs/index.xml
index 76ed08c9..aa6f35a0 100644
--- a/checkstyle/xdocs/index.xml
+++ b/checkstyle/xdocs/index.xml
@@ -33,6 +33,13 @@
         code violations can be easily found and corrected.
       </p>
     </section>
+    <section name="Requirements">
+      <p>Be careful, the following plugins must be installed to use the FAQ plugin :</p>
+      <ul>
+        <li>maven-plugin-plugin 1.7 (at least)</li>
+        <li>maven-xdoc-plugin 1.10 (at least)</li>
+      </ul>
+    </section>
  </body>
 
 </document>