--- a/devtools/client/toolbox.properties
+++ b/devtools/client/toolbox.properties
@@ -178,16 +178,20 @@ toolbox.meatballMenu.community.label=Communauté…
 # LOCALIZATION NOTE (toolbox.closebutton.tooltip): This is the tooltip for
 # the close button the developer tools toolbox.
 toolbox.closebutton.tooltip=Fermer les outils de développement
 
 # LOCALIZATION NOTE (toolbox.errorCountButton.tooltip): This is the tooltip for
 # the error count button displayed in the developer tools toolbox.
 toolbox.errorCountButton.tooltip=Afficher la console scindée
 
+# LOCALIZATION NOTE (toolbox.errorCountButton.description): This is the description that
+# will be used for the error count button in the devTools settings panel.
+toolbox.errorCountButton.description=Afficher le nombre d’erreurs de la page
+
 # LOCALIZATION NOTE (toolbox.sourceMapFailure): This is shown in the web console
 # when there is a failure to fetch or parse a source map.
 # The text of the error: %1$S
 # The URL that caused DevTools to try to fetch a source map: %2$S
 # The URL of the source map itself: %3$S
 toolbox.sourceMapFailure=Erreur dans les liens source : %1$S\nURL de la ressource : %2$S\nURL du lien source : %3$S
 
 # LOCALIZATION NOTE (toolbox.sourceMapSourceFailure): This is shown in

--- a/toolkit/toolkit/about/aboutWebrtc.ftl
+++ b/toolkit/toolkit/about/aboutWebrtc.ftl
@@ -58,16 +58,18 @@ about-webrtc-ice-pair-bytes-sent = Octets envoyés:
 about-webrtc-ice-pair-bytes-received = Octets reçus:
 about-webrtc-ice-component-id = ID du composant
 
 ##
 
 
 ## "Avg." is an abbreviation for Average. These are used as data labels.
 
+about-webrtc-avg-bitrate-label = Débit binaire moyen :
+about-webrtc-avg-framerate-label = Taux moyen d’images par seconde :
 
 ##
 
 
 ## These adjectives are used to label a line of statistics collected for a peer
 ## connection. The data represents either the local or remote end of the
 ## connection.