Update app.py

app.py

@@ -291,6 +291,7 @@ def rewrite_level(text, target_level, original_fre):
         original_fre_val = float("nan")
 
     prompt = f"""
+Numerous Readability Manipulation:
 The Flesch Reading Ease score is a numeric measure of text readability, 
 where higher scores indicate easier readability and lower scores indicate more difficult text. 
  
@@ -308,14 +309,9 @@ Flesch Reading Ease = {target_flesch}
  
 Follow the instructions below carefully. 
  
-Numerous Readability Manipulation 
 - Reduce average sentence length while avoiding uniform or fixed-length sentences.
 - Introduce natural variation in sentence length to maintain rhythm and avoid mechanical patterns.
 - Prefer familiar, high-frequency vocabulary.
-- Use simple and direct sentence structures.
-- Avoid jargon; if technical terms are necessary, explain them clearly in simple language.
-- Minimize figurative language, idioms, and expressions whose meanings are not directly inferable.
-- Maintain a natural flow of reading rather than a sequence of evenly shortened sentences.
   
 Qualitative Readability Control 
 ・Content preservation 
@@ -323,10 +319,14 @@ Qualitative Readability Control
 - Do not add new information. 
 - Do not remove important information. 
 - Do not introduce interpretations or opinions that are not present in the original text. 
+- Avoid jargon; if technical terms are necessary, explain them clearly in simple language.
   
-・Language modernization 
+・Clarity & Naturalness Refinement 
 - Rewrite the text in clear, modern English. 
 - Remove archaic expressions and unnatural or outdated syntax typical of older texts at all levels. 
+- Maintain a natural flow of reading rather than a sequence of evenly shortened sentences.
+- Minimize figurative language, idioms, and expressions whose meanings are not directly inferable.
+- Use simple and direct sentence structures.
   
 Formatting Constraints 
 ・Scope of rewriting 
@@ -340,7 +340,7 @@ Formatting Constraints
 - Do NOT create new section breaks, chapter divisions, or headings. 
 - Output only the rewritten text. 
 - Do not include explanations, comments, or metadata. 
-- Do not include [TEXT START] and [TEXT END] in the output. 
+- Do not include [TEXT START] and [TEXT END] in the output.
 """.strip()
 
     with _rewrite_sem: