better describe the stdlib

diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 1c6a02f1dcf6cefe5c31fe8b3040821ceaaf487e..dd16ad36b38f884c1223bcabccae1336c47e7717 100644 (file)
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -26,7 +26,7 @@
 //!
 //! ## What is in the standard library
 //!
-//! The standard library is minimal, a set of battle-tested
+//! The standard library is a set of minimal, battle-tested
 //! core types and shared abstractions for the [broader Rust
 //! ecosystem](https://crates.io) to build on.
 //!