diff --git a/Cargo.toml b/Cargo.toml
index b003252..a486b58 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ homepage = "https://github.com/al8n/wg"
 repository = "https://github.com/al8n/wg.git"
 documentation = "https://docs.rs/wg/"
 readme = "README.md"
-version = "0.7.1"
+version = "0.7.2"
 license = "MIT OR Apache-2.0"
 keywords = ["waitgroup", "async", "sync", "notify", "wake"]
 categories = ["asynchronous", "concurrency", "data-structures"]
diff --git a/src/lib.rs b/src/lib.rs
index b7c5e74..8d5dffe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,14 +22,12 @@
 #![cfg_attr(docsrs, feature(doc_cfg))]
 #![cfg_attr(docsrs, allow(unused_attributes))]
 
-/// [`AsyncWaitGroup`] for `futures`.
+/// [`AsyncWaitGroup`](crate::future::AsyncWaitGroup) for `futures`.
 #[cfg(feature = "future")]
 #[cfg_attr(docsrs, doc(cfg(feature = "future")))]
 pub mod future;
-// #[cfg(feature = "future")]
-// pub use future::*;
 
-/// [`AsyncWaitGroup`] for `tokio` runtime.
+/// [`AsyncWaitGroup`](crate::tokio::AsyncWaitGroup) for `tokio` runtime.
 #[cfg(feature = "tokio")]
 #[cfg_attr(docsrs, doc(cfg(feature = "tokio")))]
 pub mod tokio;
diff --git a/src/tokio.rs b/src/tokio.rs
index b48c81a..6cb4d85 100644
--- a/src/tokio.rs
+++ b/src/tokio.rs
@@ -55,7 +55,6 @@ struct AsyncInner {
 ///
 /// [`wait`]: struct.AsyncWaitGroup.html#method.wait
 /// [`add`]: struct.AsyncWaitGroup.html#method.add
-#[cfg_attr(docsrs, doc(cfg(feature = "future")))]
 pub struct AsyncWaitGroup {
     inner: Arc<AsyncInner>,
 }