diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
index 9ebf673bc..b7b87a578 100644
--- a/res/values-es/strings.xml
+++ b/res/values-es/strings.xml
@@ -272,4 +272,7 @@
     <string name="action_edit_subject">Editar asunto de la conferencia</string>
     <string name="conference_not_found">Conferencia no encontrada</string>
     <string name="leave">Salir</string>
+    <string name="contact_added_you">El contacto te ha añadido a su lista de contactos</string>
+    <string name="add_back">Añadir contacto</string>
+    <string name="contact_has_read_up_to_this_point">Tu contacto ha leído hasta aquí</string>
 </resources>
\ No newline at end of file