1 files changed, 2 insertions, 0 deletions
diff --git a/util.c b/util.c
index b02d077cc3..efc7c14818 100644
--- a/util.c
+++ b/util.c
@@ -1,5 +1,6 @@
 #include "util.h"
 
+// bit population
 int bitpop(uint8_t bits)
 {
     int c;
@@ -8,6 +9,7 @@ int bitpop(uint8_t bits)
     return c;
 }
 
+// most significant on-bit
 int biton(uint8_t bits)
 {
     int n = 0;