diff --git a/src/render/mod.rs b/src/render/mod.rs
index c89f95c..dc2cd59 100644
--- a/src/render/mod.rs
+++ b/src/render/mod.rs
@@ -33,6 +33,7 @@ pub fn render(
         for i in 0..line.line.len() {
             let (bg, fg) = color_model.cell_colors(&line.line[i]);
 
+            // FIXME: draw background for all item length
             if let Some(bg) = bg {
                 ctx.set_source_rgb(bg.0, bg.1, bg.2);
                 ctx.rectangle(line_x, line_y, char_width, line_height);
diff --git a/src/ui_model/line.rs b/src/ui_model/line.rs
index 42a107c..a968ac1 100644
--- a/src/ui_model/line.rs
+++ b/src/ui_model/line.rs
@@ -267,6 +267,7 @@ impl StyledLine {
         let mut cell_to_byte = Vec::new();
         let attr_list = pango::AttrList::new();
         let mut byte_offset = 0;
+        //FIXME: generate single attr for same atttributes values
 
         for (cell_idx, cell) in line.line.iter().enumerate() {
             if cell.attrs.double_width {