diff --git a/i18n/en.toml b/i18n/en.toml
index bbf5fbc..05c89f8 100644
--- a/i18n/en.toml
+++ b/i18n/en.toml
@@ -1,3 +1,5 @@
 [overview]
 other = "In this thread"
 
+[series_posts]
+other = "Posts in "
diff --git a/layouts/partials/sidebar.html b/layouts/partials/sidebar.html
index 22bca7e..d6f5033 100644
--- a/layouts/partials/sidebar.html
+++ b/layouts/partials/sidebar.html
@@ -42,7 +42,7 @@
     {{- end }}
     {{ if (and ($relatedInSidebar) (isset .Params "series") ) }}
       {{$related := where .Site.RegularPages ".Params.series" "eq" .Params.series }}
-	    <h2 class="mt-4">{{ T "series_posts" }}</h2>
+	    <h2 class="mt-4">{{ T "series_posts" }}{{ .Params.series }}</h2>
       <ul>
         {{ range $related }}
         <li>