diff --git a/Modules/_csv.c b/Modules/_csv.c
index 7a7156431c4..1a363fa5d01 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -1563,7 +1563,7 @@ PyDoc_STRVAR(csv_reader_doc,
 "provided by the dialect.\n"
 "\n"
 "The returned object is an iterator.  Each iteration returns a row\n"
-"of the CSV file (which can span multiple input lines):\n");
+"of the CSV file (which can span multiple input lines).\n");
 
 PyDoc_STRVAR(csv_writer_doc,
 "    csv_writer = csv.writer(fileobj [, dialect='excel']\n"