Change gemini_prompt a little bit

app.py

@@ -392,7 +392,7 @@ Please analyze the structure, make a plan on how to follow the structure correct
 Write from {min_length} to {max_length} words.
 Do not hallucinate, do not add information that is not in the product information. 
 Try your best to avoid using the excluded words and phrases.
-Try your best to include the included words and phrases.
+Try your best to include the included words and phrases in the product description.
 Do not enclose the output in html tags, quotes, braces, brackets or anything. 
 Return the product description only.