diff --git a/tests/config/prompts.json b/tests/config/prompts.json
index cae24d8..50eff10 100644
--- a/tests/config/prompts.json
+++ b/tests/config/prompts.json
@@ -5,5 +5,5 @@
     "introduction": "Below is some text that I need help on:",
     "classify": "Do you think this text was highly likely to be written by a human or by an LLM?",
     "judge": "Let us evaluate both options before coming up with a conclusion.",
-    "answer format": "Having stated that, please summarize that answer in one word: either “human” or “AI”. "
+    "answer format": "Having stated that, please summarize your answer in just one word: human or AI. Only choose one answer. (No need to write anything else, just either of these words as they are.)"
 }