modify chat placeholder

helpers/file_manager.py

@@ -62,7 +62,7 @@ def validate_page_range(pdf_file: st.runtime.uploaded_file_manager.UploadedFile,
     # set end to min of pdf length or specified end (whichever's lower)
     end = min(n_pages, end)
 
-    if start >= end:  # if the start is higher than the end, make it 1
+    if start > end:  # if the start is higher than the end, make it 1
         start = 1
 
     return (start, end)

strings.json

@@ -35,6 +35,6 @@
         "Did you know that SlideDeck AI supports eight LLMs that generate contents in different styles?",
         "Did you know that SlideDeck AI can create a presentation based on any uploaded PDF file?"
     ],
-    "chat_placeholder": "Write the topic or instructions here. Click or drop to upload a PDF in this area.",
+    "chat_placeholder": "Click or drop to upload a PDF and write the topic or instructions here.",
     "like_feedback": "If you like SlideDeck AI, please consider leaving a heart ❤\uFE0F on the [Hugging Face Space](https://huggingface.co/spaces/barunsaha/slide-deck-ai/) or a star ⭐ on [GitHub](https://github.com/barun-saha/slide-deck-ai). Your [feedback](https://forms.gle/JECFBGhjvSj7moBx9) is appreciated."
 }