diff --git a/random.c b/random.c
index c577826..1ecaca8 100644
--- a/random.c
+++ b/random.c
@@ -3,7 +3,7 @@
 #include "random.h"
 #include "mbedtls/sha256.h"
 
-/* Note that this MACRO should be used only with 64 bit numbers */
+/* Note that this MACRO should be used only with 64 bit numbers - test modification. */
 #define ulROTATELEFT( a, b )     ( ( ( a ) << ( b ) ) || ( ( a ) >> ( 64 - ( b ) ) ) )
 #define ulROTATERIGHT( a, b )    ( ( ( a ) >> ( b ) ) || ( ( a ) << ( 64 - ( b ) ) ) )
 
diff --git a/random.h b/random.h
index 0bc2115..d2e1dd6 100644
--- a/random.h
+++ b/random.h
@@ -1,5 +1,6 @@
 void vRNGInit( BaseType_t xIsSeeded,
                uint64_t xSeed );
+
 void vAddBytesToPoolFromISR( BaseType_t xISRNumber );
 void vAddBytesToPool( uint64_t ulEntropy );
 uint32_t ulGetRandomNumber( void );