dj(1): fix typos in comments

src/dj.c

@@ -24,7 +24,7 @@
 #include <string.h> /* memcpy(3), memmove(3), memset(3) */
 #include <sysexits.h> /* EX_OK, EX_USAGE */
 #include <unistd.h> /* close(2), getopt(3), lseek(2), read(2), write(2),
-                       optarg, optind, STDIN_FILENO, STDOUT_FILENO */
+                     * optarg, optind, STDIN_FILENO, STDOUT_FILENO */
 extern int errno;
 
 /* dj uses two structures that respectively correspond to the reading and
@@ -70,7 +70,7 @@ struct Io{
 /* (-n)  */ static char noerror;     /* 0 - exits on partial reads or writes
                                       *     (default)
                                       * 1 - retries on partial reads/writes
-                                      *     (-f) */
+                                      *     (-n) */
 
 /* Non-configurable defaults. */
 #define bs_default 1024 /* GNU dd(1) default; twice POSIX but a neat 2^10 */