diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index 23f8ddc3cc2..ee981e34838 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -81,6 +81,8 @@ AmountTTC=Amount TTC
 Total=Total
 TotalHT=Total HT
 TotalTTC=Total TTC
+Average=Average
+Sum=Sum
 Delta=Delta
 Module=Module
 Option=Option
diff --git a/htdocs/langs/fr_FR/main.lang b/htdocs/langs/fr_FR/main.lang
index b26fb138fa8..bd02ed427c3 100644
--- a/htdocs/langs/fr_FR/main.lang
+++ b/htdocs/langs/fr_FR/main.lang
@@ -81,6 +81,8 @@ AmountTTC=Montant TTC
 Total=Total
 TotalHT=Total HT
 TotalTTC=Total TTC
+Average=Moyenne
+Sum=Somme
 Delta=Ecart
 Module=Module
 Option=Option