diff --git a/llama-cpp-2/src/lib.rs b/llama-cpp-2/src/lib.rs
index 15c504a4..a341def4 100644
--- a/llama-cpp-2/src/lib.rs
+++ b/llama-cpp-2/src/lib.rs
@@ -8,6 +8,10 @@
 //! # Examples
 //!
 //! - [simple](https://github.com/utilityai/llama-cpp-rs/blob/main/llama-cpp-2/examples/simple.rs)
+//!
+//! # Feature Flags
+//!
+//! - `cublas` enables CUDA gpu support.
 use std::ffi::NulError;
 use std::fmt::Debug;
 use std::num::NonZeroI32;