diff --git a/src/ui/default.rs b/src/ui/default.rs
index e430dbb..b7f5e7b 100644
--- a/src/ui/default.rs
+++ b/src/ui/default.rs
@@ -54,7 +54,7 @@ impl std::iter::Iterator for State {
 
 impl Ui {
     pub fn run(opt: &Opt) {
-        let repo_id = opt.repo.as_ref().map(|repo| String::as_str(repo));
+        let repo_id = opt.repo.as_deref();
 
         let mut ui = Ui {
             state: State::SelectService,
diff --git a/src/ui/no_yaml.rs b/src/ui/no_yaml.rs
index 6e1c630..9255383 100644
--- a/src/ui/no_yaml.rs
+++ b/src/ui/no_yaml.rs
@@ -49,7 +49,7 @@ pub struct NoYaml {
 
 impl NoYaml {
     pub fn run(opt: &Opt) {
-        let repo_id = opt.repo.as_ref().map(|repo| String::as_str(repo));
+        let repo_id = opt.repo.as_deref();
 
         let mut ui = NoYaml {
             state: State::EditRepo,
diff --git a/src/widget/details.rs b/src/widget/details.rs
index 6cb51c4..b3b6357 100644
--- a/src/widget/details.rs
+++ b/src/widget/details.rs
@@ -26,14 +26,14 @@ impl Details {
         let mut lines = vec![format!("{:^10}|{:^6}|{:^6}", "ARCH", "OS", "SIZE")];
         for d in &self.details {
             lines.push(format!(
-                "{:^10}|{:^6}|{:^6}",
+                "{:^10}|{:^6}|{:^6}MB",
                 format!(
                     "{}{}",
                     d.arch.clone().unwrap_or_default(),
                     d.variant.clone().unwrap_or_default()
                 ),
                 d.os.clone().unwrap_or_default(),
-                format!("{}MB", d.size.unwrap_or_default() / 1024 / 1024)
+                d.size.unwrap_or_default() / 1024 / 1024,
             ));
         }
         lines