Update comment.

diff --git a/crypto/bn/bntest.c b/crypto/bn/bntest.c
index 41c22f5..0a97af6 100644 (file)
--- a/crypto/bn/bntest.c
+++ b/crypto/bn/bntest.c
@@ -234,7 +234,8 @@ int main(int argc, char *argv[])
 /**/
        exit(0);
 err:
-       BIO_puts(out,"1\n"); /* make sure bc fails if we are piping to it */
+       BIO_puts(out,"1\n"); /* make sure the Perl script fed by bc notices
+                             * the failure, see test_bn in test/Makefile.ssl*/
        BIO_flush(out);
        ERR_load_crypto_strings();
        ERR_print_errors_fp(stderr);