diff --git a/ld/config.in b/ld/config.in
index 929da9088f..a3867f3912 100644
--- a/ld/config.in
+++ b/ld/config.in
@@ -132,7 +132,7 @@
 /* Define to 1 if you have the `waitpid' function. */
 #undef HAVE_WAITPID
 
-/* Define to 1 if you have the <Windows.h> header file. */
+/* Define to 1 if you have the <windows.h> header file. */
 #undef HAVE_WINDOWS_H
 
 /* Define to 1 if you have the <zlib.h> header file. */