diff --git a/src/lib.rs b/src/lib.rs
index 0fcb8fe..b00501c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -77,8 +77,12 @@
 //! So here’s a list of currently supported features and how to enable them:
 //!
 //!   - **Serialization / deserialization.**
-//!     + This feature implements both the `Serialize` and `Deserialize` traits from `serde`.
+//!     + This feature implements both the `Serialize` and `Deserialize` traits from `serde` for all
+//!       types exported by this crate.
 //!     + Enable with the `"serialization"` feature.
+//!   - **[cgmath](https://crates.io/crates/cgmath) implementors
+//!     + Adds some usefull implementations of `Interpolate` for some cgmath types.
+//!     + Enable with the `"impl-cgmath"` feature.
 //!   - **Standard library / no stdandard library**
 //!     + It’s possible to compile against the standard library or go on your own without it.
 //!     + Compiling with the standard library is enabled by default.