add a missing comma (closes #25371)
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index d436f52..65fb6a4 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -2256,7 +2256,7 @@
that are ready.\n\
\n\
*** IMPORTANT NOTICE ***\n\
-On Windows only sockets are supported; on Unix, all file\n\
+On Windows, only sockets are supported; on Unix, all file\n\
descriptors can be used.");
static PyMethodDef select_methods[] = {
@@ -2274,7 +2274,7 @@
"This module supports asynchronous I/O on multiple file descriptors.\n\
\n\
*** IMPORTANT NOTICE ***\n\
-On Windows only sockets are supported; on Unix, all file descriptors.");
+On Windows, only sockets are supported; on Unix, all file descriptors.");
static struct PyModuleDef selectmodule = {