Update app/backend/text_processing.py

app/backend/text_processing.py

@@ -6,7 +6,7 @@ import re
 
 
 def sent_tokenize(text):
-    """Simple sentence tokenizer using regex - no NLTK needed"""
+    """Simple sentence tokenizer using regex (simpler alternative to NLTK)"""
     # Split on sentence endings followed by whitespace and capital letter
     sentences = re.split(r'(?<=[.!?])\s+(?=[A-Z])', text)