diff --git a/doc/tutorial.md b/doc/tutorial.md index 74943df8d00..0367cabd3fa 100644 --- a/doc/tutorial.md +++ b/doc/tutorial.md @@ -373,8 +373,8 @@ assert y == 4u; but are instead provided by the libraries. To make it clear to the reader when a name refers to a syntax extension, the names of all syntax extensions end with `!`. The standard library defines a few syntax extensions, the most -useful of which is `fmt!`, a `sprintf`-style text formatter that an early -compiler phase expands statically. +useful of which is `fmt!`, a `sprintf`-style text formatter that you will +often see in examples. `fmt!` supports most of the directives that [printf][pf] supports, but unlike printf, will give you a compile-time error when the types of the directives