diff --git a/crates/algorithms/algorithms-c/src/hash/sha2.c b/crates/algorithms/algorithms-c/src/hash/sha2.c
index 890957c..c704820 100644
--- a/crates/algorithms/algorithms-c/src/hash/sha2.c
+++ b/crates/algorithms/algorithms-c/src/hash/sha2.c
@@ -6,7 +6,8 @@
 #include <threads.h>
 
 #ifdef TEST
-#define SHOW_INTERNALS
+// if you want to get the internals of sha2 printed, uncomment the line below
+// #define SHOW_INTERNALS
 #endif // TEST
 
 #ifdef SHOW_INTERNALS