diff --git a/turnstile/info.rkt b/turnstile/info.rkt
new file mode 100644
index 0000000..c4f9381
--- /dev/null
+++ b/turnstile/info.rkt
@@ -0,0 +1,5 @@
+#lang info
+
+(define scribblings
+  '(["scribblings/turnstile.scrbl" ()]))
+
diff --git a/turnstile/scribblings/turnstile.scrbl b/turnstile/scribblings/turnstile.scrbl
new file mode 100644
index 0000000..ce5ecbe
--- /dev/null
+++ b/turnstile/scribblings/turnstile.scrbl
@@ -0,0 +1,43 @@
+#lang scribble/manual
+
+@(require (for-label racket/base
+                     (except-in turnstile/turnstile ⊢)
+                     ))
+
+@title{The @racketmodname[turnstile] language}
+
+@defmodule[turnstile #:lang #:use-sources (turnstile/turnstile)]
+
+@defform[
+  #:literals (≫ ⊢ ⇒ ⇐ ≻ : --------)
+  (define-typed-syntax name-id option ... rule)
+  #:grammar
+  ([option syntax-parse-option]
+   [rule [pattern ≫
+          premise
+          ...
+          --------
+          conclusion]
+         [pattern ⇐ : expected-type ≫
+          premise
+          ...
+          --------
+          ⇐-conclusion]]
+   [premise (code:line [⊢ inf ...] ooo ...)
+            (code:line [ctx ⊢ inf ...] ooo ...)
+            (code:line [ctx ctx ⊢ inf ...] ooo ...)
+            (code:line [type-template τ⊑ type-template #:for expr-template])
+            (code:line [type-template τ⊑ type-template #:for expr-template] ooo)]
+   [ctx (ctx-elem ...)]
+   [ctx-elem [id ≫ id : type-template]
+             [id ≫ id : type-template] ooo]
+   [inf (code:line [expr-template ≫ pattern ⇒ type-pattern] ooo ...)
+        (code:line [expr-template ≫ pattern ⇐ type-pattern] ooo ...)]
+   [conclusion [⊢ [_ ≫ expr-template ⇒ type-template]]
+               [_ ≻ expr-template]]
+   [⇐-conclusion [⊢ [_ ≫ expr-template ⇐ _]]]
+   [ooo ...])
+]{
+Defines a macro that can do typechecking.
+}
+