Update es.rs

New term added

src/lang/es.rs

@@ -456,6 +456,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Reconnect", "Reconectar"),
         ("Codec", "Códec"),
         ("Resolution", "Resolución"),
-        ("No transfers in progress", ""),
+        ("No transfers in progress", "No hay transferencias en curso"),
         ].iter().cloned().collect();
 }