diff --git a/app/src/main/java/info/nightscout/androidaps/MainApp.java b/app/src/main/java/info/nightscout/androidaps/MainApp.java
index 02576cb23d..a05f1c6d0c 100644
--- a/app/src/main/java/info/nightscout/androidaps/MainApp.java
+++ b/app/src/main/java/info/nightscout/androidaps/MainApp.java
@@ -233,6 +233,10 @@ public class MainApp extends Application {
         return sResources.getString(id);
     }
 
+    public static String gs(int id, Object... args) {
+        return sResources.getString(id, args);
+    }
+
     public static MainApp instance() {
         return sInstance;
     }
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 7259194dee..988a92928d 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -231,8 +231,8 @@
     <string name="smscommunicator_allowednumbers_summary">XXXXXXXXXX +; + YYYYYYYYYY</string>
     <string formatted="false" name="smscommunicator_bolusreplywithcode">Para entregar bolo% .2fU responder con código% s</string>
     <string name="smscommunicator_bolusfailed">Bolo falló</string>
-    <string formatted="false" name="bolusdelivered">Bolo% .2fU entregado con éxito</string>
-    <string formatted="false" name="bolusdelivering">Entregando% .2fU</string>
+    <string formatted="false" name="bolusdelivered">Bolo %.2fU entregado con éxito</string>
+    <string formatted="false" name="bolusdelivering">Entregando %.2fU</string>
     <string name="smscommunicator_remotebolusnotallowed">Bolo remoto no permitido</string>
     <string name="glucosetype_finger">Dedo</string>
     <string name="glucosetype_sensor">Sensor</string>