diff --git a/src/hierarchies.rs b/src/hierarchies.rs
index cd06112..3c9911c 100644
--- a/src/hierarchies.rs
+++ b/src/hierarchies.rs
@@ -5,9 +5,6 @@
 //
 
 //! This module represents the various control group hierarchies the Linux kernel supports.
-//!
-//! Currently, we only support the cgroupv1 hierarchy, but in the future we will add support for
-//! the Unified Hierarchy.
 
 use std::fs;
 use std::fs::File;