whitespace tab/space correction

app/helpers/gardens_helper.rb

@@ -1,7 +1,7 @@
 module GardensHelper
 
   def display_garden_description(garden)
-  	if garden.description.nil?
+    if garden.description.nil?
   		"no description provided."
     else
       truncate(garden.description, length: 130, separator: ' ', omission: '... ') { link_to "Read more", garden_path(garden) }