diff --git a/SearchBox-CLI/Program.cs b/SearchBox-CLI/Program.cs
index 7e7bcb0..e9fbed4 100644
--- a/SearchBox-CLI/Program.cs
+++ b/SearchBox-CLI/Program.cs
@@ -37,7 +37,7 @@ namespace SearchBoxCLI
 		private static string SearchIndexFilepath = string.Empty;
 		private static TextReader Source = Console.In;
 		private static TextReader SourceOld = null, SourceNew = null;
-		private static OutputModes OutputMode = OutputModes.Json;
+		private static OutputModes OutputMode = OutputModes.Text;
 
 		public static int Main(string[] args)
 		{
@@ -82,6 +82,10 @@ namespace SearchBoxCLI
 						SearchIndexFilepath = args[++i];
 						break;
 
+					case "format":
+						OutputMode = (OutputModes)Enum.Parse(typeof(OutputModes), args[++i], true);
+						break;
+
 					case "help":
 						return HandleHelp();
 
@@ -122,6 +126,7 @@ namespace SearchBoxCLI
 			Console.WriteLine("    update    Update a named document in a search index.");
 			Console.WriteLine();
 			Console.WriteLine("Options:");
+			Console.WriteLine("    --format        Sets the format of the output. Possible values: text (default), json");
 			Console.WriteLine("    --source, -s    Specifies the path to the source document {index, add}");
 			Console.WriteLine("    --old-source    Specifies the path to the old version of the source document to update {update}");
 			Console.WriteLine("    --new-source    Specifies the path to the new version of the source document to update {update}");