std/src/lib.rs: mention "search button" instead of "search bar"

Author: ada4a

library/std/src/lib.rs

@@ -15,7 +15,7 @@
 //!
 //! If you already know the name of what you are looking for, the fastest way to
 //! find it is to use the <a href="#" onclick="window.searchState.focus();">search
-//! bar</a> at the top of the page.
+//! button</a> at the top of the page.
 //!
 //! Otherwise, you may want to jump to one of these useful sections:
 //!