Update README.md

README.md

@@ -130,7 +130,7 @@ Models are json objects that are utilized to build the tags when ran through the
 	"item" : 
 	{
 		"cost" : 18.5000,
-        "unit" : 0.55,
+        	"unit" : 0.55,
 		"name" : "Oranges"
 	}
 }