diff --git a/library/std/src/os/wasi/mod.rs b/library/std/src/os/wasi/mod.rs
index 66edb953677..44b7c32e956 100644
--- a/library/std/src/os/wasi/mod.rs
+++ b/library/std/src/os/wasi/mod.rs
@@ -1,4 +1,4 @@
-//! Platform-specific extensions to `std` for WASI.
+//! Platform-specific extensions to `std` for the WebAssembly System Interface (WASI).
 //!
 //! Provides access to platform-level information on WASI, and exposes
 //! WASI-specific functions that would otherwise be inappropriate as