diff --git a/include/mbedtls/platform_util.h b/include/mbedtls/platform_util.h
index 95c13e1..f2aeffc 100644
--- a/include/mbedtls/platform_util.h
+++ b/include/mbedtls/platform_util.h
@@ -230,7 +230,7 @@
  *              The generated number will be on range [0, num).
  *
  * \return      The generated random number.
- */ 
+ */
 uint32_t mbedtls_platform_random_in_range( size_t num );
 
 #if defined(MBEDTLS_HAVE_TIME_DATE)