diff --git a/app/mailers/teacher_mailer.rb b/app/mailers/teacher_mailer.rb
index 4c035ff5..7f2c581a 100644
--- a/app/mailers/teacher_mailer.rb
+++ b/app/mailers/teacher_mailer.rb
@@ -81,9 +81,8 @@ def set_body
   # Must be called after @teacher is set.
   def set_recipients
     @recipients = Liquid::Template.parse(email_template.to).render(liquid_assigns).html_safe
-    @recipients = @recipients.split(',').
+    @recipients = @recipients.split(",").
         map { |addr| addr.strip }.
-        filter { |addr| addr != '(blank)' || addr.blank? }.compact
-
+        filter { |addr| addr != "(blank)" || addr.blank? }.compact
   end
 end
diff --git a/spec/models/email_template_spec.rb b/spec/models/email_template_spec.rb
index bb38d8b1..c75c2ac7 100644
--- a/spec/models/email_template_spec.rb
+++ b/spec/models/email_template_spec.rb
@@ -15,7 +15,7 @@
     end
 
     it "returns false if no reason is in the body" do
-      template = EmailTemplate.new(body: '')
+      template = EmailTemplate.new(body: "")
       expect(template.accepts_custom_reason?).to be false
     end
   end