Rename mod 'tokens' to 'token'
diff --git a/src/parsers.rs b/src/parsers.rs
index 492d16f..d9361a1 100644
--- a/src/parsers.rs
+++ b/src/parsers.rs
@@ -668,7 +668,7 @@
 /// extern crate proc_macro2;
 ///
 /// use syn::{Ident, TokenTree};
-/// use syn::tokens::Paren;
+/// use syn::token::Paren;
 /// use proc_macro2::TokenStream;
 ///
 /// // Parse a macro invocation like `stringify!($args)`.