Update index.php

Changed TD to TH tag in the header.

application/views/dashboard/index.php

@@ -10,7 +10,7 @@ function echo_table_header_col($ctx, $name) {
 		case 'State': echo '<th>'.$ctx->lang->line('gen_hamradio_state').'</th>'; break;
 		case 'Grid': echo '<th>'.$ctx->lang->line('gen_hamradio_gridsquare').'</th>'; break;
 		case 'Band': echo '<th>'.$ctx->lang->line('gen_hamradio_band').'</th>'; break;
-		case 'Operator': echo '<td>'.$ctx->lang->line('gen_hamradio_operator').'</td>'; break;
+		case 'Operator': echo '<th>'.$ctx->lang->line('gen_hamradio_operator').'</th>'; break;
 	}
 }