diff --git a/Cargo.toml b/Cargo.toml
index 04a4ee05..3629097b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,6 +48,9 @@ version = "0.9.1"
 [dependencies.plurify]
 version = "0.1.1"
 
+[dependencies.libspelling]
+version = "0.3.0"
+
 # development
 [patch.crates-io]
 # ggemini = { git = "https://github.com/YGGverse/ggemini.git" }
diff --git a/README.md b/README.md
index 8bdb0f9d..2cc5994d 100644
--- a/README.md
+++ b/README.md
@@ -132,13 +132,14 @@ GTK 4 / Libadwaita client written in Rust
 * Glib `2.80`
 * Gtk `4.14`
 * GtkSourceView `5.14`
-* Libadwaita `1.5` (Ubuntu 24.04+)
+* libadwaita `1.5` (Ubuntu 24.04+)
+* libspelling `0.1`
 
 #### Debian
 
 ``` bash
 sudo apt install git curl build-essential\
-                 libgtk-4-dev libgtksourceview-5-dev libadwaita-1-dev\
+                 libgtk-4-dev libgtksourceview-5-dev libadwaita-1-dev libspelling-1-dev\
                  libsqlite3-dev libssl-dev
 ```
 
@@ -146,7 +147,7 @@ sudo apt install git curl build-essential\
 
 ``` bash
 sudo dnf install git curl gcc\
-                 gtk4-devel gtksourceview5-devel libadwaita-devel\
+                 gtk4-devel gtksourceview5-devel libadwaita-devel libspelling-devel\
                  sqlite-devel openssl-devel
 ```
 
diff --git a/src/app/browser/window/tab/item/page/input/response/form/widget.rs b/src/app/browser/window/tab/item/page/input/response/form/widget.rs
index 072d77f3..e5be15b6 100644
--- a/src/app/browser/window/tab/item/page/input/response/form/widget.rs
+++ b/src/app/browser/window/tab/item/page/input/response/form/widget.rs
@@ -1,9 +1,11 @@
 use gtk::{
     gio::SimpleAction,
     glib::GString,
-    prelude::{ActionExt, TextBufferExt, TextViewExt},
+    prelude::{ActionExt, TextBufferExt, TextViewExt, WidgetExt},
     TextView, WrapMode,
 };
+use libspelling::{Checker, TextBufferAdapter};
+use sourceview::Buffer;
 
 const MARGIN: i32 = 8;
 
@@ -14,15 +16,27 @@ pub struct Widget {
 impl Widget {
     // Construct
     pub fn new(action_update: SimpleAction) -> Self {
+        // Init [SourceView](https://gitlab.gnome.org/GNOME/gtksourceview) type buffer
+        let buffer = Buffer::builder().build();
+
+        // Init [libspelling](https://gitlab.gnome.org/GNOME/libspelling)
+        let checker = Checker::default();
+        let adapter = TextBufferAdapter::new(&buffer, &checker);
+        adapter.set_enabled(true);
+
         // Init main widget
         let text_view = TextView::builder()
             .bottom_margin(MARGIN)
+            .buffer(&buffer)
+            .extra_menu(&adapter.menu_model())
             .left_margin(MARGIN)
             .right_margin(MARGIN)
             .top_margin(MARGIN)
             .wrap_mode(WrapMode::Word)
             .build();
 
+        text_view.insert_action_group("spelling", Some(&adapter));
+
         // Init events
         text_view.buffer().connect_changed(move |_| {
             action_update.activate(None);