diff --git a/module/productplan/lang/de.php b/module/productplan/lang/de.php
index 7e9c896693..088f41c66b 100644
--- a/module/productplan/lang/de.php
+++ b/module/productplan/lang/de.php
@@ -73,8 +73,8 @@ $lang->productplan->cannotDeleteParent = 'Cannot delete parent plan';
 $lang->productplan->selectProjects     = "Please select the project";
 $lang->productplan->projectNotEmpty    = 'Project cannot be empty.';
 $lang->productplan->nextStep           = "Next step";
-$lang->productplan->summary            = "Total: <strong>%s</strong>, Parent: <strong>%s</strong>, Child: <strong>%s</strong>.";
-$lang->productplan->checkedSummary     = "Seleted: <strong>%total%</strong>, Parent: <strong>%parent%</strong>, Child: <strong>%child%</strong>.";
+$lang->productplan->summary            = "Total: <strong>%s</strong>, Parents: <strong>%s</strong>, Children: <strong>%s</strong>.";
+$lang->productplan->checkedSummary     = "Seleted: <strong>%total%</strong>, Parents: <strong>%parent%</strong>, Children: <strong>%child%</strong>.";
 
 $lang->productplan->id         = 'ID';
 $lang->productplan->product    = $lang->productCommon;
diff --git a/module/productplan/lang/en.php b/module/productplan/lang/en.php
index c33d14f9fc..2807a5eddc 100644
--- a/module/productplan/lang/en.php
+++ b/module/productplan/lang/en.php
@@ -73,8 +73,8 @@ $lang->productplan->cannotDeleteParent = 'Cannot delete parent plan';
 $lang->productplan->selectProjects     = "Please select the project";
 $lang->productplan->projectNotEmpty    = 'Project cannot be empty.';
 $lang->productplan->nextStep           = "Next step";
-$lang->productplan->summary            = "Total: <strong>%s</strong>, Parent: <strong>%s</strong>, Child: <strong>%s</strong>.";
-$lang->productplan->checkedSummary     = "Seleted: <strong>%total%</strong>, Parent: <strong>%parent%</strong>, Child: <strong>%child%</strong>.";
+$lang->productplan->summary            = "Total: <strong>%s</strong>, Parents: <strong>%s</strong>, Children: <strong>%s</strong>.";
+$lang->productplan->checkedSummary     = "Seleted: <strong>%total%</strong>, Parents: <strong>%parent%</strong>, Children: <strong>%child%</strong>.";
 
 $lang->productplan->id         = 'ID';
 $lang->productplan->product    = $lang->productCommon;
diff --git a/module/productplan/lang/fr.php b/module/productplan/lang/fr.php
index 6f690d6b89..3f9b50d086 100644
--- a/module/productplan/lang/fr.php
+++ b/module/productplan/lang/fr.php
@@ -73,8 +73,8 @@ $lang->productplan->cannotDeleteParent = 'Impossible de supprimer le plan parent
 $lang->productplan->selectProjects     = "Please select the project";
 $lang->productplan->projectNotEmpty    = 'Project cannot be empty.';
 $lang->productplan->nextStep           = "Next step";
-$lang->productplan->summary            = "Total: <strong>%s</strong>, Parent: <strong>%s</strong>, Child: <strong>%s</strong>.";
-$lang->productplan->checkedSummary     = "Seleted: <strong>%total%</strong>, Parent: <strong>%parent%</strong>, Child: <strong>%child%</strong>.";
+$lang->productplan->summary            = "Total: <strong>%s</strong>, Parents: <strong>%s</strong>, Children: <strong>%s</strong>.";
+$lang->productplan->checkedSummary     = "Seleted: <strong>%total%</strong>, Parents: <strong>%parent%</strong>, Children: <strong>%child%</strong>.";
 
 $lang->productplan->id         = 'ID';
 $lang->productplan->product    = $lang->productCommon;