diff --git a/main.c b/main.c
index cb4703b..077d213 100644
--- a/main.c
+++ b/main.c
@@ -242,6 +242,7 @@ int main(int argc, char *argv[])
     int size;
     int rc;
 
+    /* start: set passphrase */
     memset(cdb, 0, sizeof(cdb));
     cdb[0] = 0x03;
     cdb[4] = REQUEST_SENSE_LENGTH;
@@ -275,7 +276,9 @@ int main(int argc, char *argv[])
         return 1;
     }
     printf("received %d bytes\n", size);
+    /* end: set passphrase */
 
+    /* start: set ssid */
     memset(cdb, 0, sizeof(cdb));
     cdb[0] = 0x03;
     cdb[4] = REQUEST_SENSE_LENGTH;
@@ -296,6 +299,7 @@ int main(int argc, char *argv[])
     }
     printf("received %d bytes\n", size);
 
+    /* set ssid */
     memset(cdb, 0, sizeof(cdb));
     cdb[0] = 0x03;
     cdb[4] = REQUEST_SENSE_LENGTH;
@@ -309,6 +313,7 @@ int main(int argc, char *argv[])
         return 1;
     }
     printf("received %d bytes\n", size);
+    /* end: set ssid */
 
     //get_mass_storage_status(handle, 0x01, expected_tag);