diff --git a/include/mbedtls/threading.h b/include/mbedtls/threading.h
index 6830bb4..2e61b2e 100644
--- a/include/mbedtls/threading.h
+++ b/include/mbedtls/threading.h
@@ -114,7 +114,7 @@
 #include <unistd.h>
 #if !defined(_POSIX_VERSION) || 200112L > _POSIX_THREAD_SAFE_FUNCTIONS
 /*
- * The preprocessor conditions above are the same as in platform_utils.c and
+ * The preprocessor conditions above are the same as in platform_util.c and
  * threading.c. Remember to update the code there when changing the conditions
  * here.
  */