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| -rw-r--r-- | src/doc/reference.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/doc/reference.md b/src/doc/reference.md index 12d29f2a3a7..bf286aaec4b 100644 --- a/src/doc/reference.md +++ b/src/doc/reference.md @@ -603,7 +603,8 @@ syntax named by _designator_. Valid designators are: * `ty`: a [type](#types) * `ident`: an [identifier](#identifiers) * `path`: a [path](#paths) -* `tt`: either side of the `=>` in macro rules +* `tt`: a token tree (a single [token](#tokens) or a sequence of token trees surrounded + by matching `()`, `[]`, or `{}`) * `meta`: the contents of an [attribute](#attributes) In the transcriber, the |