diff --git a/source/portable/NetworkInterface/DriverSAM/NetworkInterface.c b/source/portable/NetworkInterface/DriverSAM/NetworkInterface.c
index 33d986ca48..1c7993d6f1 100644
--- a/source/portable/NetworkInterface/DriverSAM/NetworkInterface.c
+++ b/source/portable/NetworkInterface/DriverSAM/NetworkInterface.c
@@ -742,10 +742,10 @@ static BaseType_t prvGMACInit( NetworkInterface_t * pxInterface )
         }
         #endif /* ipconfigUSE_MDNS */
 
-        // Register the Link-Local All-Nodes address
-        // FF02::1 --> 33-33-00-00-00-01
+        /* Register the Link-Local All-Nodes address */
+        /* FF02::1 --> 33-33-00-00-00-01 */
         uint8_t pcLOCAL_ALL_NODES_MULTICAST_MAC[ ipMAC_ADDRESS_LENGTH_BYTES ] = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 };
-        prvAddMulticastMACAddress(pcLOCAL_ALL_NODES_MULTICAST_MAC);
+        prvAddMulticastMACAddress( pcLOCAL_ALL_NODES_MULTICAST_MAC );
 
         for( pxEndPoint = FreeRTOS_FirstEndPoint( pxMyInterface );
              pxEndPoint != NULL;
@@ -753,7 +753,7 @@ static BaseType_t prvGMACInit( NetworkInterface_t * pxInterface )
         {
             if( pxEndPoint->bits.bIPv6 != pdFALSE_UNSIGNED )
             {
-                // Since this is an IPv6 end point, add the solicited-node MAC address. 
+                /* Since this is an IPv6 end point, add the solicited-node MAC address. */
                 uint8_t ucMACAddress[ 6 ] = { 0x33, 0x33, 0xff, 0, 0, 0 };
 
                 ucMACAddress[ 3 ] = pxEndPoint->ipv6_settings.xIPAddress.ucBytes[ 13 ];
@@ -800,9 +800,9 @@ static BaseType_t prvGMACInit( NetworkInterface_t * pxInterface )
 }
 /*-----------------------------------------------------------*/
 
-#define GMAC_ADDRESS_HASH_BITS                  ( 64U )
-#define GMAC_ADDRESS_HASH_MASK                  ( GMAC_ADDRESS_HASH_BITS - 1 )
-#define GMAC_ADDRESS_HASH_COUNTERS_MAX_VALUE    ( 255U )
+    #define GMAC_ADDRESS_HASH_BITS                  ( 64U )
+    #define GMAC_ADDRESS_HASH_MASK                  ( GMAC_ADDRESS_HASH_BITS - 1 )
+    #define GMAC_ADDRESS_HASH_COUNTERS_MAX_VALUE    ( 255U )
 static uint8_t prvAddressHashCounters[ GMAC_ADDRESS_HASH_BITS ] = { 0 };
 static uint64_t prvAddressHashBitMask = ( 0 );
 
@@ -1159,9 +1159,9 @@ static uint32_t prvEMACRxPoll( void )
 /*-----------------------------------------------------------*/
 
 volatile UBaseType_t uxLastMinBufferCount = 0;
-#if ( ipconfigCHECK_IP_QUEUE_SPACE != 0 )
+    #if ( ipconfigCHECK_IP_QUEUE_SPACE != 0 )
     volatile UBaseType_t uxLastMinQueueSpace;
-#endif
+    #endif
 volatile UBaseType_t uxCurrentSemCount;
 volatile UBaseType_t uxLowestSemCount;