diff --git a/src/assets/i18n/participant/de.json b/src/assets/i18n/participant/de.json
index 432a5907bc2e577bb6d94a00e20b2f71cf13b93d..6a9a74b9e8cc0131224c4641ae5390e4cfb4729d 100644
--- a/src/assets/i18n/participant/de.json
+++ b/src/assets/i18n/participant/de.json
@@ -24,7 +24,10 @@
     "submit": "Absenden",
     "abstain": "Enthalten",
     "sent": "Antwort gesendet.",
-    "your-answer": "Ihre Antwort"
+    "abstention-sent": "Enthaltung gesendet.",
+    "your-answer": "Ihre Antwort",
+    "at-least-one": "Bitte wählen sie mindestens eine Antwort.",
+    "please-one": "Bitte wählen sie eine Antwort."
   },
   "statistic": {
     "content": "Frage",
diff --git a/src/assets/i18n/participant/en.json b/src/assets/i18n/participant/en.json
index 81698ab9219961598f5461bd597482526eda4f4f..d8c56bbb63f2218a0453328a3f00e42aa0b43f03 100644
--- a/src/assets/i18n/participant/en.json
+++ b/src/assets/i18n/participant/en.json
@@ -24,7 +24,10 @@
     "submit": "Submit",
     "abstain": "Abstain",
     "sent": "Answer sent.",
-    "your-answer": "Your answer"
+    "abstention-sent": "Abstention sent.",
+    "your-answer": "Your answer",
+    "at-least-one": "Please select at least one answer.",
+    "please-one": "Please select an answer."
   },
   "statistic": {
     "content": "Content",