diff --git a/sdk/program/src/lib.rs b/sdk/program/src/lib.rs
index d25dbcfb2b..aa33948436 100644
--- a/sdk/program/src/lib.rs
+++ b/sdk/program/src/lib.rs
@@ -469,7 +469,7 @@
 //!
 //! # Sysvars
 //!
-//! Sysvars are special accounts that contain dynamically-updating data about
+//! Sysvars are special accounts that contain dynamically-updated data about
 //! the network cluster, the blockchain history, and the executing transaction.
 //!
 //! The program IDs for sysvars are defined in the [`sysvar`] module, and simple
diff --git a/sdk/program/src/sysvar/mod.rs b/sdk/program/src/sysvar/mod.rs
index 38ee237a45..9da12bba3d 100644
--- a/sdk/program/src/sysvar/mod.rs
+++ b/sdk/program/src/sysvar/mod.rs
@@ -1,5 +1,9 @@
-//! named accounts for synthesized data accounts for bank state, etc.
+//! Access to special accounts with dynamically-updated data.
 //!
+//! For more details see the Solana [documentation on sysvars][sysvardoc].
+//!
+//! [sysvardoc]: https://docs.solana.com/developing/runtime-facilities/sysvars
+
 use {
     crate::{account_info::AccountInfo, program_error::ProgramError, pubkey::Pubkey},
     lazy_static::lazy_static,