diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index f74347d1ae5..608a58d9ef9 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -572,6 +572,7 @@ Prefix=Prefix
 Before=Before
 After=After
 IPAddress=IP address
+Frequency=Frequency
 # Week day
 Day1=Monday
 Day2=Tuesday
diff --git a/htdocs/langs/fr_FR/main.lang b/htdocs/langs/fr_FR/main.lang
index ea271b0b6fb..eeb65d70df8 100644
--- a/htdocs/langs/fr_FR/main.lang
+++ b/htdocs/langs/fr_FR/main.lang
@@ -572,6 +572,7 @@ Prefix=Préfixe
 Before=Avant
 After=Après
 IPAddress=Adresse IP
+Frequency=Fréquence
 # Week day
 Day1=Lundi
 Day2=Mardi