diff --git a/hts-sys/src/lib.rs b/hts-sys/src/lib.rs
index a96345dd2..f4036707c 100644
--- a/hts-sys/src/lib.rs
+++ b/hts-sys/src/lib.rs
@@ -4,7 +4,7 @@
 #![allow(clippy::all)]
 #![allow(improper_ctypes)]
 //! This module exposes the raw [HTSlib](https://github.com/samtools/htslib) bindings for reading and writing 
-//! genomics file formats like SAM, BAM, CRAM, VCF, BCF.
+//! genomics file formats like SAM, BAM, CRAM, VCF, BCF and tabix.
 //! Instead of using this crate directly, it is recommended to use [rust-htslib](https://docs.rs/rust-htslib) 
 //! instead, which has a more idiomatic and high-level API and builds on top of this crate.