diff --git a/pollen/private/external/doclang-raw.rkt b/pollen/private/external/doclang-raw.rkt
index f47f50a..413b65f 100755
--- a/pollen/private/external/doclang-raw.rkt
+++ b/pollen/private/external/doclang-raw.rkt
@@ -11,6 +11,7 @@
 (define-syntax (*module-begin stx)
   (syntax-case stx ()
     [(_ id post-process . body)
+     ;; unlike regular doclang, don't accept a third positional argument (just pass dummy `exprs`)
      (with-syntax ([exprs #'()])
        #'(#%module-begin
           (doc-begin id post-process exprs . body)))]))
diff --git a/pollen/private/ts.rktd b/pollen/private/ts.rktd
index e33e7d8..cc5cb64 100644
--- a/pollen/private/ts.rktd
+++ b/pollen/private/ts.rktd
@@ -1 +1 @@
-1578686355
+1578696312