Fix minor typo in comments in readline.c (GH-23911)
diff --git a/Modules/readline.c b/Modules/readline.c
index bbab0f8..6cb3ee5 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -51,7 +51,7 @@ extern char **completion_matches(char *, CPFunction *);
*
* This emulation library is not 100% API compatible with the "real" readline
* and cannot be detected at compile-time,
- * hence we use a runtime check to detect if the Python readlinke module is
+ * hence we use a runtime check to detect if the Python readline module is
* linked to libedit.
*
* Currently there is one known API incompatibility: