Rollup merge of #28212 - tshepang:rust-is-a-language, r=steveklabnik

Author: steveklabnik

src/doc/trpl/choosing-your-guarantees.md

@@ -1,6 +1,6 @@
 % Choosing your Guarantees
 
-One important feature of Rust as language is that it lets us control the costs and guarantees
+One important feature of Rust is that it lets us control the costs and guarantees
 of a program.
 
 There are various “wrapper type” abstractions in the Rust standard library which embody