diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-serial-issues.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-serial-issues.tt
index 9967f887ad..fe91f8ba4c 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-serial-issues.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-serial-issues.tt
@@ -39,42 +39,45 @@
                                 <div id="subscriptionline[% subscription_LOO.subscriptionid %]" style="border-bottom:1px solid #EEE;">
                                     <h3>Subscription information for [% subscription_LOO.bibliotitle %]</h3>
                                     <p>
-                                        The current subscription began on [% subscription_LOO.startdate %] and is issued every
+                                        The current subscription began on [% subscription_LOO.startdate %] and is issued
                                         [% IF ( subscription_LOO.periodicity1 ) %]
-                                                day
+                                                twice per day
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity2 ) %]
-                                                week
+                                                every day
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity3 ) %]
-                                                2 weeks
+                                                three times per week
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity4 ) %]
-                                                3 weeks
+                                                every week
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity5 ) %]
-                                                month
+                                                every 2 weeks
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity6 ) %]
-                                                2 months
+                                                every 3 weeks
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity7 ) %]
-                                                3 months
-                                        [% END %]
-                                        [% IF ( subscription_LOO.periodicity13 ) %]
-                                                4 months
+                                                every month
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity8 ) %]
-                                                quarter
+                                                every 2 months
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity9 ) %]
-                                                2 quarters
+                                                every quarter
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity10 ) %]
-                                                year
+                                                twice per year
                                         [% END %]
                                         [% IF ( subscription_LOO.periodicity11 ) %]
-                                                2 years
+                                                every year
+                                        [% END %]
+                                        [% IF ( subscription_LOO.periodicity12 ) %]
+                                                every 2 years
+                                        [% END %]
+                                        [% IF ( subscription_LOO.periodicity13 ) %]
+                                                irregularly
                                         [% END %]
                                         [% IF ( subscription_LOO.arrival1 ) %]
                                             on Monday
diff --git a/koha-tmpl/opac-tmpl/prog/en/modules/opac-serial-issues.tt b/koha-tmpl/opac-tmpl/prog/en/modules/opac-serial-issues.tt
index 5d590a99c5..3c1574ac7c 100644
--- a/koha-tmpl/opac-tmpl/prog/en/modules/opac-serial-issues.tt
+++ b/koha-tmpl/opac-tmpl/prog/en/modules/opac-serial-issues.tt
@@ -21,42 +21,45 @@
 [% FOREACH subscription_LOO IN subscription_LOOP %]
 <div id="subscriptionline[% subscription_LOO.subscriptionid %]" style="border-bottom:1px solid #EEE;">
 <h3>Subscription information for [% subscription_LOO.bibliotitle %]</h3>
-		<p>The current subscription began on [% subscription_LOO.startdate %] and is issued every
+            <p>The current subscription began on [% subscription_LOO.startdate %] and is issued
 		[% IF ( subscription_LOO.periodicity1 ) %]
-				day
+                               twice per day
 		[% END %]
 		[% IF ( subscription_LOO.periodicity2 ) %]
-				week
+                         every day
 		[% END %]
 		[% IF ( subscription_LOO.periodicity3 ) %]
-				2 weeks
+                             three times per week
 		[% END %]
 		[% IF ( subscription_LOO.periodicity4 ) %]
-				3 weeks
+                          every week
 		[% END %]
 		[% IF ( subscription_LOO.periodicity5 ) %]
-				month
+                            every 2 weeks
 		[% END %]
 		[% IF ( subscription_LOO.periodicity6 ) %]
-				2 months
+                         every 3 weeks
 		[% END %]
 		[% IF ( subscription_LOO.periodicity7 ) %]
-				3 months
-		[% END %]
-		[% IF ( subscription_LOO.periodicity13 ) %]
-				4 months
+                         every month
 		[% END %]
 		[% IF ( subscription_LOO.periodicity8 ) %]
-				quarter
+                           every 2 months
 		[% END %]
 		[% IF ( subscription_LOO.periodicity9 ) %]
-				2 quarters
+                                every quarter
 		[% END %]
 		[% IF ( subscription_LOO.periodicity10 ) %]
-				year
+                                twice per year
 		[% END %]
 		[% IF ( subscription_LOO.periodicity11 ) %]
-				2 years
+                               every year
+             [% END %]
+              [% IF ( subscription_LOO.periodicity12 ) %]
+                            every 2 years
+          [% END %]
+              [% IF ( subscription_LOO.periodicity13 ) %]
+                            irregularly
 		[% END %]
 		[% IF ( subscription_LOO.arrival1 ) %]
 			on Monday