diff --git a/plugins/discourse-details/config/locales/client.fi.yml b/plugins/discourse-details/config/locales/client.fi.yml
new file mode 100644
index 00000000000..6b8672a7704
--- /dev/null
+++ b/plugins/discourse-details/config/locales/client.fi.yml
@@ -0,0 +1,7 @@
+fi:
+  js:
+    details:
+      title: Yhteenveto
+    composer:
+      details_title: Yhteenveto
+      details_text: "Tämä teksti piilotetaan otsikon alle."
diff --git a/plugins/discourse-details/config/locales/server.fi.yml b/plugins/discourse-details/config/locales/server.fi.yml
new file mode 100644
index 00000000000..cc9e0208fbe
--- /dev/null
+++ b/plugins/discourse-details/config/locales/server.fi.yml
@@ -0,0 +1,3 @@
+fi:
+  site_settings:
+    details_enabled: "Laita yhteenveto-plugin päälle. Jos muutat: \"rake posts:rebake\"."