keyboard.rs: Reword a comment

Part-of: <https://gitlab.gnome.org/World/Phosh/squeekboard/-/merge_requests/693>

src/keyboard.rs

@@ -105,9 +105,8 @@ fn sorted<'a, I: Iterator<Item=String>>(
 pub fn generate_keycodes<'a, C: IntoIterator<Item=String>>(
     key_names: C,
 ) -> HashMap<String, KeyCode> {
-    // Some broken clients try to interpret keymaps as if they were input
-    // sequences coming from evdev. Workaround that by only using codes
-    // that directly produce characters.
+    // Some clients try to interpret keymaps as if they were input-sequences coming from evdev.
+    // Workaround: Only use keycodes which directly produce characters.
     let allowed = [KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8,
                    KEY_9, KEY_0, KEY_MINUS, KEY_EQUAL, KEY_Q, KEY_W, KEY_E,
                    KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O, KEY_P, KEY_LEFTBRACE,