Update app.py

app.py

@@ -453,7 +453,7 @@ def launch_interface():
         # Extraction mode selection with explanatory text
         gr.Markdown(
             """
-            ### 📋 PDFText Extraction Mode  
+            ### 📋 PDF Text Extraction Mode  
             Choose whether to analyze all pages or a specific range of pages. If you want to exclude certain pages from the analysis, select "Range of Pages" and specify the start and end pages.
             """
         )
@@ -512,7 +512,8 @@ def launch_interface():
                 ### ✍️ Sentence-Level SDG Analysis  
                 This section conducts Sustainable Development Goals (SDG) mapping 
                 using the [sdgBERT model](https://huggingface.co/sadickam/sdgBERT). 
-                It provides **detailed SDG mapping** at the sentence level.
+                It provides **detailed SDG mapping** at the sentence level. **Note that 
+                all sentences under 70 characters are excluded from the analysis.**
                 """
             )
             with gr.Row():