diff --git a/src/main.rs b/src/main.rs
index 5acba1b..5e6e2f5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -22,7 +22,7 @@ struct Args {
     )]
     config: Vec<String>,
 
-    /// Shows ProxyCommand
+    /// Shows `ProxyCommand`
     #[arg(long, default_value_t = false)]
     show_proxy_command: bool,
 
diff --git a/src/searchable.rs b/src/searchable.rs
index cdb2347..a0d8753 100644
--- a/src/searchable.rs
+++ b/src/searchable.rs
@@ -31,7 +31,7 @@ where
 
     pub fn search(&mut self, value: &str) {
         if value.is_empty() {
-            self.filtered = self.vec.clone();
+            self.filtered.clone_from(&self.vec);
             return;
         }
 
diff --git a/src/ui.rs b/src/ui.rs
index 1115dd6..32fb073 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -132,9 +132,9 @@ impl App {
         Ok(())
     }
 
-    fn run<B: Backend>(&mut self, terminal: &Rc<RefCell<Terminal<B>>>) -> Result<()>
+    fn run<B>(&mut self, terminal: &Rc<RefCell<Terminal<B>>>) -> Result<()>
     where
-        B: std::io::Write,
+        B: Backend + std::io::Write,
     {
         loop {
             terminal.borrow_mut().draw(|f| ui(f, self))?;
@@ -319,9 +319,9 @@ impl App {
     }
 }
 
-fn setup_terminal<B: Backend>(terminal: &Rc<RefCell<Terminal<B>>>) -> Result<()>
+fn setup_terminal<B>(terminal: &Rc<RefCell<Terminal<B>>>) -> Result<()>
 where
-    B: std::io::Write,
+    B: Backend + std::io::Write,
 {
     let mut terminal = terminal.borrow_mut();
 
@@ -337,9 +337,9 @@ where
     Ok(())
 }
 
-fn restore_terminal<B: Backend>(terminal: &Rc<RefCell<Terminal<B>>>) -> Result<()>
+fn restore_terminal<B>(terminal: &Rc<RefCell<Terminal<B>>>) -> Result<()>
 where
-    B: std::io::Write,
+    B: Backend + std::io::Write,
 {
     let mut terminal = terminal.borrow_mut();
     terminal.clear()?;