diff --git a/nlp/normalize.py b/nlp/normalize.py
index 9e4f1fa..8060034 100644
--- a/nlp/normalize.py
+++ b/nlp/normalize.py
@@ -54,7 +54,7 @@ def normalize(text):
         )
 
         return normalized_text
-    logger.debug("normalized: ", t)
+    logger.debug(f"normalized: {t}")
     return t