diff --git a/core/Metrics.php b/core/Metrics.php
index 03f486653c0c02cdc3a0d243fdd8f02cd2e7c4db..b576ea7c9fa3ac117e73dba59b71dbc7d0060623 100644
--- a/core/Metrics.php
+++ b/core/Metrics.php
@@ -323,7 +323,7 @@ class Metrics
 
     static public function getDefaultMetricsDocumentation()
     {
-        $documentation = array(
+        $translations = array(
             'nb_visits'            => 'General_ColumnNbVisitsDocumentation',
             'nb_uniq_visitors'     => 'General_ColumnNbUniqVisitorsDocumentation',
             'nb_actions'           => 'General_ColumnNbActionsDocumentation',
@@ -336,7 +336,14 @@ class Metrics
             'exit_rate'            => 'General_ColumnExitRateDocumentation'
         );
 
-        return array_map(array('\\Piwik\\Piwik','translate'), $documentation);
+        /**
+         * Use this event to register translations for metrics documentation processed by your plugin.
+         *
+         * @param string[] $translations The array mapping of column_name => Plugin_TranslationForColumnDocumentation
+         */
+        Piwik::postEvent('Metrics.getDefaultMetricDocumentationTranslations', array(&$translations));
+
+        return array_map(array('\\Piwik\\Piwik','translate'), $translations);
     }
 
     public static function getPercentVisitColumn()
diff --git a/core/Plugin/Report.php b/core/Plugin/Report.php
index bf6035a2890dabfa5a667d92ed29e3cae198c55e..b7a288740ebdb5e0aa76a3f75d243960bea5c337 100644
--- a/core/Plugin/Report.php
+++ b/core/Plugin/Report.php
@@ -152,33 +152,35 @@ class Report
             'category'             => $this->category,
             'name'                 => $this->name,
             'module'               => $this->module,
-            'action'               => $this->action,
-            'metrics'              => $this->getMetrics(),
-            'metricsDocumentation' => $this->getMetricsDocumentation(),
-            'processedMetrics'     => $this->processedMetrics,
-            'order'                => $this->order
+            'action'               => $this->action
         );
 
-        if (!empty($this->documentation)) {
-            $report['documentation'] = $this->documentation;
+        if (!empty($this->dimension)) {
+            $report['dimension'] = $this->dimension->getName();
         }
 
-        if (null !== $this->constantRowsCount) {
-            $report['constantRowsCount'] = $this->constantRowsCount;
+        if (!empty($this->documentation)) {
+            $report['documentation'] = $this->documentation;
         }
 
         if (null !== $this->isSubtableReport) {
             $report['isSubtableReport'] = $this->isSubtableReport;
         }
 
-        if (!empty($this->dimension)) {
-            $report['dimension'] = $this->dimension->getName();
-        }
+        $report['metrics'             ] = $this->getMetrics();
+        $report['metricsDocumentation'] = $this->getMetricsDocumentation();
+        $report['processedMetrics'    ] = $this->processedMetrics;
 
         if (!empty($this->actionToLoadSubTables)) {
             $report['actionToLoadSubTables'] = $this->actionToLoadSubTables;
         }
 
+        if (null !== $this->constantRowsCount) {
+            $report['constantRowsCount'] = $this->constantRowsCount;
+        }
+
+        $report['order'] = $this->order;
+
         return $report;
     }
 
diff --git a/plugins/Events/Events.php b/plugins/Events/Events.php
index 32012c57daf5894ceab3e57fd68458069e5a6c5e..60e4de33795d3ff07e698157411a87433a34bc93 100644
--- a/plugins/Events/Events.php
+++ b/plugins/Events/Events.php
@@ -19,7 +19,8 @@ class Events extends \Piwik\Plugin
     public function getListHooksRegistered()
     {
         return array(
-            'Metrics.getDefaultMetricTranslations' => 'addMetricTranslations'
+            'Metrics.getDefaultMetricTranslations' => 'addMetricTranslations',
+            'Metrics.getDefaultMetricDocumentationTranslations' => 'addMetricDocumentationTranslations'
         );
     }
 
@@ -28,6 +29,11 @@ class Events extends \Piwik\Plugin
         $translations = array_merge($translations, $this->getMetricTranslations());
     }
 
+    public function addMetricDocumentationTranslations(&$translations)
+    {
+        $translations = array_merge($translations, $this->getMetricDocumentation());
+    }
+
     public function getMetricDocumentation()
     {
         $documentation = array(