diff --git a/vhost_user_fs/src/sandbox.rs b/vhost_user_fs/src/sandbox.rs
index 4ddd4d84d..9bc362cc0 100644
--- a/vhost_user_fs/src/sandbox.rs
+++ b/vhost_user_fs/src/sandbox.rs
@@ -50,7 +50,7 @@ pub enum Error {
     UmountTempDir(io::Error),
     /// Call to libc::unshare returned an error.
     Unshare(io::Error),
-    /// Failed to read procfs.
+    /// Failed to read from procfs.
     ReadProc(io::Error),
     /// Failed to parse `/proc/sys/fs/nr_open`.
     InvalidNrOpen(std::num::ParseIntError),