bc: tweak comment

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 9f05cad0ce734f382ac612497836c20069818075..143bb64b18e6a19b64f1386e1e8ace3d5936eb95 100644 (file)
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -5586,8 +5586,9 @@ static char *bc_program_name(char *code, size_t *bgn)
 static void bc_program_printString(const char *str)
 {
 #if ENABLE_DC
-       // Huh? Example when this happens?
        if (!str[0]) {
+               // Example: echo '[]ap' | dc
+               // should print two bytes: 0x00, 0x0A
                bb_putchar('\0');
                return;
        }