diff --git a/volo-build/src/grpc_backend.rs b/volo-build/src/grpc_backend.rs
index 3e82fb64..ff5581cf 100644
--- a/volo-build/src/grpc_backend.rs
+++ b/volo-build/src/grpc_backend.rs
@@ -614,7 +614,7 @@ impl CodegenBackend for VoloGrpcBackend {
                 let ty = self.trait_input_ty(a.ty.clone(), client_streaming, true);
 
                 let ident = &a.name;
-                // args are unsed, add _ to avoid unused variable warning
+                // args are unused, add _ to avoid unused variable warning
                 format!("_{ident}: {ty}")
             })
             .join(",");
diff --git a/volo-cli/src/bin/volo.rs b/volo-cli/src/bin/volo.rs
index 345ba92b..f29b2375 100644
--- a/volo-cli/src/bin/volo.rs
+++ b/volo-cli/src/bin/volo.rs
@@ -25,7 +25,7 @@ fn main() -> Result<()> {
         error!("{}", e);
     }
 
-    // detech new version and notify the user
+    // detect new version and notify the user
     let pkg_name = env!("CARGO_PKG_NAME");
     let current_version = env!("CARGO_PKG_VERSION");