diff --git a/app/views/petition_mailer/gather_sponsors_for_petition.html.erb b/app/views/petition_mailer/gather_sponsors_for_petition.html.erb
index f20ed415e..a8b3b1ca0 100644
--- a/app/views/petition_mailer/gather_sponsors_for_petition.html.erb
+++ b/app/views/petition_mailer/gather_sponsors_for_petition.html.erb
@@ -6,6 +6,14 @@
 
 <p><%= Site.threshold_for_moderation %> people need to click the link and confirm their support for us to publish your petition.</p>
 
+<% if christmas_period? %>
+<p>Once you’ve gained the required number of supporters, we’ll check your petition to make sure it meets the petition standards. If it does we’ll publish it. This usually takes a week or less but over the Christmas period it will take us a little longer than usual. We’ll check your petition as quickly as we can.</p>
+<% elsif easter_period? %>
+<p>Once you’ve gained the required number of supporters, we’ll check your petition to make sure it meets the petition standards. If it does we’ll publish it. This usually takes a week or less but over the Easter period it will take us a little longer than usual. We’ll check your petition as quickly as we can.</p>
+<% else %>
+<p>Once you’ve gained the required number of supporters, we’ll check your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less.</p>
+<% end %>
+
 <p>Thanks,<br />
 <%= t("petitions.emails.signoff_prefix") %><br />
 <%= t("petitions.emails.signoff_suffix") %></p>
diff --git a/app/views/petition_mailer/gather_sponsors_for_petition.text.erb b/app/views/petition_mailer/gather_sponsors_for_petition.text.erb
index 99fbf971f..04c4e37c6 100644
--- a/app/views/petition_mailer/gather_sponsors_for_petition.text.erb
+++ b/app/views/petition_mailer/gather_sponsors_for_petition.text.erb
@@ -6,6 +6,14 @@ Forward the email below to your potential supporters.
 
 <%= Site.threshold_for_moderation %> people need to click the link and confirm their support for us to publish your petition.
 
+<% if christmas_period? %>
+Once you’ve gained the required number of supporters, we’ll check your petition to make sure it meets the petition standards. If it does we’ll publish it. This usually takes a week or less but over the Christmas period it will take us a little longer than usual. We’ll check your petition as quickly as we can.
+<% elsif easter_period? %>
+Once you’ve gained the required number of supporters, we’ll check your petition to make sure it meets the petition standards. If it does we’ll publish it. This usually takes a week or less but over the Easter period it will take us a little longer than usual. We’ll check your petition as quickly as we can.
+<% else %>
+Once you’ve gained the required number of supporters, we’ll check your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less.
+<% end %>
+
 Thanks,
 <%= t("petitions.emails.signoff_prefix") %>
 <%= t("petitions.emails.signoff_suffix") %>
diff --git a/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.html.erb b/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.html.erb
index 36d023fcf..3c8a73827 100644
--- a/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.html.erb
+++ b/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.html.erb
@@ -5,9 +5,9 @@
 <p><%= @sponsor.name %> supported your petition – “<%= @petition.action %>”.</p>
 
 <% if christmas_period? %>
-<p><%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Christmas period it may take us a little longer than usual. We’ll check your petition as quickly as we can.</p>
+<p><%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Christmas period it will take us a little longer than usual. We’ll check your petition as quickly as we can.</p>
 <% elsif easter_period? %>
-<p><%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Easter period it may take us a little longer than usual. We’ll check your petition as quickly as we can.</p>
+<p><%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Easter period it will take us a little longer than usual. We’ll check your petition as quickly as we can.</p>
 <% else %>
 <p><%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less.</p>
 <% end %>
diff --git a/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.text.erb b/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.text.erb
index e9317369d..6f2efe60c 100644
--- a/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.text.erb
+++ b/app/views/sponsor_mailer/sponsor_signed_email_on_threshold.text.erb
@@ -5,9 +5,9 @@ Your petition is nearly ready to go.
 <%= @sponsor.name %> supported your petition – "<%= @petition.action %>".
 
 <% if christmas_period? %>
-<%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Christmas period it may take us a little longer than usual. We’ll check your petition as quickly as we can.
+<%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Christmas period it will take us a little longer than usual. We’ll check your petition as quickly as we can.
 <% elsif christmas_period? %>
-<%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Easter period it may take us a little longer than usual. We’ll check your petition as quickly as we can.
+<%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less but over the Easter period it will take us a little longer than usual. We’ll check your petition as quickly as we can.
 <% else %>
 <%= @sponsor_count %> people have supported your petition so far. We’re checking your petition to make sure it meets the petition standards. If it does, we’ll publish it. This usually takes a week or less.
 <% end %>
diff --git a/spec/mailers/petition_mailer_spec.rb b/spec/mailers/petition_mailer_spec.rb
index 920af9300..6f3fa722e 100644
--- a/spec/mailers/petition_mailer_spec.rb
+++ b/spec/mailers/petition_mailer_spec.rb
@@ -334,6 +334,30 @@
     it "includes the petition additional details" do
       expect(mail).to have_body_text(%r[To promote organic vegetables])
     end
+
+    it "includes information about moderation" do
+      expect(mail).to have_body_text(%r[Once you’ve gained the required number of supporters])
+    end
+
+    context "during Christmas" do
+      before do
+        allow(Holiday).to receive(:christmas?).and_return(true)
+      end
+
+      it "includes information about delayed moderation" do
+        expect(mail).to have_body_text(%r[but over the Christmas period it will take us a little longer])
+      end
+    end
+
+    context "during Easter" do
+      before do
+        allow(Holiday).to receive(:easter?).and_return(true)
+      end
+
+      it "includes information about delayed moderation" do
+        expect(mail).to have_body_text(%r[but over the Easter period it will take us a little longer])
+      end
+    end
   end
 
   describe "notifying signature of debate outcome" do
diff --git a/spec/mailers/sponsor_mailer_spec.rb b/spec/mailers/sponsor_mailer_spec.rb
index 8a781f966..16e8ef5dc 100644
--- a/spec/mailers/sponsor_mailer_spec.rb
+++ b/spec/mailers/sponsor_mailer_spec.rb
@@ -131,7 +131,7 @@
       it_behaves_like "a sponsor signed on threshold email"
 
       it "doesn't include the moderation delay message" do
-        expect(mail).not_to have_body_text(%r[over the Christmas period it may take us a little longer than usual])
+        expect(mail).not_to have_body_text(%r[over the Christmas period it will take us a little longer than usual])
       end
     end
 
@@ -143,7 +143,7 @@
       it_behaves_like "a sponsor signed on threshold email"
 
       it "includes the moderation delay message" do
-        expect(mail).to have_body_text(%r[over the Christmas period it may take us a little longer than usual])
+        expect(mail).to have_body_text(%r[over the Christmas period it will take us a little longer than usual])
       end
     end
 
@@ -155,7 +155,7 @@
       it_behaves_like "a sponsor signed on threshold email"
 
       it "doesn't include the moderation delay message" do
-        expect(mail).not_to have_body_text(%r[over the Christmas period it may take us a little longer than usual])
+        expect(mail).not_to have_body_text(%r[over the Christmas period it will take us a little longer than usual])
       end
     end
 
@@ -167,7 +167,7 @@
       it_behaves_like "a sponsor signed on threshold email"
 
       it "doesn't include the moderation delay message" do
-        expect(mail).not_to have_body_text(%r[over the Easter period it may take us a little longer than usual])
+        expect(mail).not_to have_body_text(%r[over the Easter period it will take us a little longer than usual])
       end
     end
 
@@ -179,7 +179,7 @@
       it_behaves_like "a sponsor signed on threshold email"
 
       it "includes the moderation delay message" do
-        expect(mail).to have_body_text(%r[over the Easter period it may take us a little longer than usual])
+        expect(mail).to have_body_text(%r[over the Easter period it will take us a little longer than usual])
       end
     end
 
@@ -191,7 +191,7 @@
       it_behaves_like "a sponsor signed on threshold email"
 
       it "doesn't include the moderation delay message" do
-        expect(mail).not_to have_body_text(%r[over the Easter period it may take us a little longer than usual])
+        expect(mail).not_to have_body_text(%r[over the Easter period it will take us a little longer than usual])
       end
     end
   end