diff --git a/html5/verto/verto_communicator/src/locales/locale-en.json b/html5/verto/verto_communicator/src/locales/locale-en.json
index b64ae92458..5aa607d860 100644
--- a/html5/verto/verto_communicator/src/locales/locale-en.json
+++ b/html5/verto/verto_communicator/src/locales/locale-en.json
@@ -75,7 +75,7 @@
   "HELP": "Help",
   "CONTRIBUTORS": "Contributors",
   "TITLE_PREVIEW_SETTINGS": "Setup your camera and microphone settings",
-  "CAMERA_SETTNGS": "Camera:",
+  "CAMERA_SETTINGS": "Camera:",
   "MIC_SETTINGS": "Microphone:",
   "SAVE": "Save",
   "LOADING": "Loading",
diff --git a/html5/verto/verto_communicator/src/locales/locale-fr.json b/html5/verto/verto_communicator/src/locales/locale-fr.json
index 11dc43fc7f..421a190069 100644
--- a/html5/verto/verto_communicator/src/locales/locale-fr.json
+++ b/html5/verto/verto_communicator/src/locales/locale-fr.json
@@ -75,7 +75,7 @@
   "HELP": "Aide",
   "CONTRIBUTORS": "Contributeurs",
   "TITLE_PREVIEW_SETTINGS": "Paramêtrer votre micro et caméra",
-  "CAMERA_SETTNGS": "Camera:",
+  "CAMERA_SETTINGS": "Camera:",
   "MIC_SETTINGS": "Microphone:",
   "SAVE": "Sauvegarder",
   "LOADING": "Chargement",
diff --git a/html5/verto/verto_communicator/src/locales/locale-it.json b/html5/verto/verto_communicator/src/locales/locale-it.json
index 87f5126e96..428608afab 100644
--- a/html5/verto/verto_communicator/src/locales/locale-it.json
+++ b/html5/verto/verto_communicator/src/locales/locale-it.json
@@ -49,8 +49,8 @@
   "CHAT_CANVAS": "Canvas",
   "CHAT_CANVAS_IN": "Canvas In",
   "CHAT_CANVAS_OUT": "Canvas Out",
-  "CHAT_PREV": "Prev",
-  "CHAT_NEXT": "Next",
+  "CHAT_PREV": "Precedente",
+  "CHAT_NEXT": "Successivo",
   "CHAT_LAYER": "Layer",
   "CHAT_AUDIO_VIDEO": "Audio/Video",
   "CHAT_TITLE_MUTE_UNMUTE_MIC": "Mute/Unmute Mic",
@@ -139,5 +139,15 @@
   "CHECK_CONNECTION_SPEED": "Verifica velocità connessione.",
   "ERROR_PERMISSION_MEDIA": "Errore: permesso sui dispositivi negato",
   "ERROR_PROVISIONING_CONF": "Errore: Recupero configurazione fallito.",
-  "PLEASE_WAIT": "Attendere prego..."
+  "PLEASE_WAIT": "Attendere prego...",
+  "CANCEL": "Cancella",
+  "CHAT_TITLE_VOL_MINUS": "Volume -",
+  "CHAT_TITLE_VOL_PLUS": "Volume +",
+  "CHAT_TITLE_GAIN_MINUS": "Guadagno -",
+  "CHAT_TITLE_GAIN_PLUS": "Guadagno +",
+  "CHAT_VOL_MINUS": "Vol -",
+  "CHAT_VOL_PLUS": "Vol +",
+  "CHAT_GAIN_MINUS": "Guadagno -",
+  "CHAT_GAIN_PLUS": "Guadagno +"
+
 }
diff --git a/html5/verto/verto_communicator/src/locales/locale-pt.json b/html5/verto/verto_communicator/src/locales/locale-pt.json
index 8c4d2da8a8..4bd236f855 100644
--- a/html5/verto/verto_communicator/src/locales/locale-pt.json
+++ b/html5/verto/verto_communicator/src/locales/locale-pt.json
@@ -75,7 +75,7 @@
   "HELP": "Ajuda",
   "CONTRIBUTORS": "Contribuidores",
   "TITLE_PREVIEW_SETTINGS": "Defina suas configurações de câmera e microfone",
-  "CAMERA_SETTNGS": "Câmera:",
+  "CAMERA_SETTINGS": "Câmera:",
   "MIC_SETTINGS": "Microfone:",
   "SAVE": "Salvar",
   "LOADING": "Carregando",