diff --git a/include/mbedtls/bignum.h b/include/mbedtls/bignum.h
index 45d3119..a02a094 100644
--- a/include/mbedtls/bignum.h
+++ b/include/mbedtls/bignum.h
@@ -71,7 +71,8 @@
  *
  * Reduction in size, reduces speed.
  */
-#define MBEDTLS_MPI_WINDOW_SIZE                           6        /**< Maximum window size used. */
+/** Maximum window size used. */
+#define MBEDTLS_MPI_WINDOW_SIZE                           6
 #endif /* !MBEDTLS_MPI_WINDOW_SIZE */
 
 #if !defined(MBEDTLS_MPI_MAX_SIZE)
@@ -82,7 +83,8 @@
  * Note: Calculations can temporarily result in larger MPIs. So the number
  * of limbs required (MBEDTLS_MPI_MAX_LIMBS) is higher.
  */
-#define MBEDTLS_MPI_MAX_SIZE                              1024     /**< Maximum number of bytes for usable MPIs. */
+/** Maximum number of bytes for usable MPIs. */
+#define MBEDTLS_MPI_MAX_SIZE                              1024
 #endif /* !MBEDTLS_MPI_MAX_SIZE */
 
 #define MBEDTLS_MPI_MAX_BITS                              ( 8 * MBEDTLS_MPI_MAX_SIZE )    /**< Maximum number of bits for usable MPIs. */