Illustrate the syntax for peek
diff --git a/src/parse.rs b/src/parse.rs
index b243827..90b3d3e 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -332,6 +332,17 @@
///
/// Does not advance the position of the parse stream.
///
+ /// # Syntax
+ ///
+ /// Note that this method does not use turbofish syntax. Pass the peek type
+ /// inside of parentheses.
+ ///
+ /// - `input.peek(Token![struct])`
+ /// - `input.peek(Token![==])`
+ /// - `input.peek(Ident)`
+ /// - `input.peek(Lifetime)`
+ /// - `input.peek(token::Brace)`
+ ///
/// # Example
///
/// In this example we finish parsing the list of supertraits when the next