#5496: fix docstring of lookup().
diff --git a/Modules/_codecsmodule.c b/Modules/_codecsmodule.c
index 9a14700..6877238 100644
--- a/Modules/_codecsmodule.c
+++ b/Modules/_codecsmodule.c
@@ -61,7 +61,7 @@
 "lookup(encoding) -> CodecInfo\n\
 \n\
 Looks up a codec tuple in the Python codec registry and returns\n\
-a tuple of function (or a CodecInfo object).");
+a CodecInfo object.");
 
 static
 PyObject *codec_lookup(PyObject *self, PyObject *args)