Be a bit more accurate.
diff --git a/Modules/readline.c b/Modules/readline.c
index ff06ddf..7d681db 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -1,6 +1,7 @@
/* This module makes GNU readline available to Python. It has ideas
* contributed by Lee Busby, LLNL, and William Magro, Cornell Theory
- * Center. The completer interface was inspired by Lele Gaifax.
+ * Center. The completer interface was inspired by Lele Gaifax. More
+ * recently, it was largely rewritten by Guido van Rossum.
*/
/* Standard definitions */