diff --git a/config/alfresco/site-webscripts/org/sharextras/modules/preview/pdfjs.get_es.properties b/config/alfresco/site-webscripts/org/sharextras/modules/preview/pdfjs.get_es.properties
index 185f9ba..f61fce9 100644
--- a/config/alfresco/site-webscripts/org/sharextras/modules/preview/pdfjs.get_es.properties
+++ b/config/alfresco/site-webscripts/org/sharextras/modules/preview/pdfjs.get_es.properties
@@ -33,3 +33,5 @@ sidebar.showthumbnails.alt=Vistas en miniatura
 sidebar.showoutline=Mostrar documento sin conexi\u00F3n
 sidebar.showoutline.alt=Documento sin conexi\u00F3n
 loading=Cargando
+
+PdfJs.tooLargeFile=El archivo es demasiado grande y no puede ser mostrado ({0}, debe ser menor de {1}).
diff --git a/config/webscripts/org/sharextras/customization/media-previews/pdfjs/web-preview.get_es.properties b/config/webscripts/org/sharextras/customization/media-previews/pdfjs/web-preview.get_es.properties
index 7547636..62ee4e8 100644
--- a/config/webscripts/org/sharextras/customization/media-previews/pdfjs/web-preview.get_es.properties
+++ b/config/webscripts/org/sharextras/customization/media-previews/pdfjs/web-preview.get_es.properties
@@ -3,6 +3,7 @@ link.download=Descargar original
 link.downloadPdf=Descargar PDF
 button.maximize=Maximizar
 button.maximize.tip=Ver a pantalla completa (o presionar {0} + ENTER para modo presentaci\u00F3n)
+button.present.tip=Iniciar presentaci\u00F3n ({0} + ENTER)
 button.minimize=Minimizar
 button.minimize.tip=Volver a tama\u00F1o normal
 button.search.tip=Buscar ({0} + F)