Fixed identation

app/models/user.rb

@@ -60,16 +60,16 @@ class User < ApplicationRecord
     UserMailer.account_activation(self).deliver_now
   end
 
-private
+  private
 
     # Converts email to all lower-case.
-    def downcase_email
-      self.email = email.downcase
-    end
+  def downcase_email
+    self.email = email.downcase
+  end
 
     # Creates and assigns the activation token and digest.
-    def create_activation_digest
-      self.activation_token  = User.new_token
-      self.activation_digest = User.digest(activation_token)
-    end
+  def create_activation_digest
+    self.activation_token  = User.new_token
+    self.activation_digest = User.digest(activation_token)
+  end
 end