Change phrase to more intuitive one

app/Log.php

@@ -16,7 +16,7 @@ class Log extends Model
     {
         $logs =  self::where('job_id', '=', $wowa->id)->orderBy('generation', 'desc')->first();
         if (!is_object($logs)) {
-            return "Not begin yet";
+            return "Calculation in progress...";
         }
         $generation =  $logs->generation + 1;
         $generation_number = $wowa->generation_number;