diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index 1ccab42a71871dc3402ec3981a1c443fbc6a4a4c..f739abd17509dae8f7e77ab6dd4cd66db2c016ed 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -577,6 +577,7 @@ Before=Before
 After=After
 IPAddress=IP address
 Frequency=Frequency
+IM=Instant messaging
 # Week day
 Day1=Monday
 Day2=Tuesday
diff --git a/htdocs/langs/fr_FR/main.lang b/htdocs/langs/fr_FR/main.lang
index 91f77200e4d36c350030079aa34d932575b484d6..45cfc08b31c0377e16c11b172b03dedc96497983 100644
--- a/htdocs/langs/fr_FR/main.lang
+++ b/htdocs/langs/fr_FR/main.lang
@@ -577,6 +577,7 @@ Before=Avant
 After=Après
 IPAddress=Adresse IP
 Frequency=Fréquence
+IM=Messagerie instantannée
 # Week day
 Day1=Lundi
 Day2=Mardi