Update src/prompts/question_rephrase_template.yaml

src/prompts/question_rephrase_template.yaml

@@ -13,6 +13,6 @@ If the question lacks context, use your crypto expertise to formulate a relevant
 Break-down the question into smaller questions/directives if necessary.
 Do not rephrase if the original question is already clear and specific.
 Never request additional information in the rephrased question.
-Keep the rephrased question concise and to-the-point, using an informal tone. Avoid unnecessary conversation."
+Keep the rephrased question concise and to-the-point, as direct as possible. Avoid unnecessary conversation."
 human_msg: "
 {question}"