diff --git a/app/extract_all_code.py b/app/extract_all_code.py
index 0d938d6..e39be03 100644
--- a/app/extract_all_code.py
+++ b/app/extract_all_code.py
@@ -186,7 +186,7 @@ def process_text_file(input_file, output_file):
                     {"role": "system",
                       "content": "You are a coding assistant. You reply only in programming code "
                                  "that is correct and formatted. Do NOT reply with any explanation, "
-                                 f"only code. If you are given something that is not programming code, "
+                                 "only code. If you are given something that is not programming code, "
                                  "you must NOT include it in your response. Do NOT return leading or "
                                  "trailing "
                                  "backticks and do NOT return the language before the code snippet."},