diff --git a/hugo.toml b/hugo.toml
index 71c4955..0347031 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -70,6 +70,7 @@ path = "github.com/gohugoio/hugo-mod-bootstrap-scss/v5"
   theme_version = "5.2.0"
   toc = true
   avatar = "img/commons/avatar.jpg"
+  tagline = "A text-focused Jekyll theme"
 
 [params.assets]
   self_host = false
diff --git a/layouts/partials/sidebar.html b/layouts/partials/sidebar.html
index 6f1b451..f341783 100644
--- a/layouts/partials/sidebar.html
+++ b/layouts/partials/sidebar.html
@@ -13,7 +13,9 @@
       </a>
   
       <a class="site-title d-block" href="{{ "/" | relURL }}">{{ .Site.Title }}</a>
-      <p class="site-subtitle fst-italic mb-0">{{ .Site.Params.tagline }}</p>
+      {{ if .Site.Params.tagline }}
+        <p class="site-subtitle fst-italic mb-0">{{ .Site.Params.tagline }}</p>
+      {{ end }}
     </header>
     <!-- .profile-wrapper -->