diff --git a/config/locales/de.yml b/config/locales/de.yml
index f6acb2d36..8019c37a8 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -65,7 +65,12 @@ de:
         category: Kategorie
     models:
       activity: Station
-      advanced_training: Weiterbildung
+      advanced_training:
+        one: Weiterbildung
+        other: Weiterbildungen
+      category:
+        one: Kategorie
+        other: Kategorien
       company:
         one: Firma
         other: Firmen
@@ -78,7 +83,9 @@ de:
       people_skill:
         one: Skill
         other: Skills
-      project: Projekt
+      project:
+        one: Projekt
+        other: Projekte
       role:
         one: Rolle
         other: Rollen
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 2ca7a3e28..ac2c9c21e 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -66,6 +66,9 @@ en:
     models:
       activity: Station
       advanced_training: Further training
+      category:
+        one: Category
+        other: Categories
       company:
         one: Company
         other: Companies
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index d3eefd6f9..ae83fa505 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -66,6 +66,9 @@ fr:
     models:
       activity: Station
       advanced_training: Formation continue
+      category:
+        one: Catégorie
+        other: Catégories
       company:
         one: Société
         other: Entreprises
diff --git a/config/locales/it.yml b/config/locales/it.yml
index feab1c73f..808322a7e 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -66,6 +66,9 @@ it:
     models:
       activity: Stazione
       advanced_training: Formazione continua
+      category:
+        one: Categoria
+        other: Categorie
       company:
         one: Azienda
         other: Aziende