diff --git a/collects/parser-tools/parser-tools.scrbl b/collects/parser-tools/parser-tools.scrbl
index 376b9eb..89b0bdf 100644
--- a/collects/parser-tools/parser-tools.scrbl
+++ b/collects/parser-tools/parser-tools.scrbl
@@ -347,7 +347,7 @@ Repetition of @scheme[re] sequence 0 or more times.}
 
 @defform[(+ re ...)]{
 
-Repetition of @scheme[re] sequence 0 or more times.}
+Repetition of @scheme[re] sequence 1 or more times.}
 
 @defform[(? re ...)]{