Update index.html

index.html

@@ -34,7 +34,7 @@
                 <div class="upload-section">
                     <h2>Upload Report</h2>
                     <form id="uploadForm">
-                        <input type="file" id="fileInput" required>
+                        <input type="file" id="fileInput" accept=".txt" required>
                         <button type="submit">Upload File</button>
                     </form>
                     <div id="uploadStatus"></div>