#define RBF_MULTICAST (1<<30)
 #define RBF_UNICAST   (1<<29)
 #define RBF_EXTERNAL  (1<<28)
-#define RBF_UNKOWN    (1<<27)
+#define RBF_UNKNOWN   (1<<27)
 #define RBF_SIZE      0x07ff
 #define RBF_LOCAL4    (1<<26)
 #define RBF_LOCAL3    (1<<25)
 
  * initialize a bunch of registers.
  *
  * Run from FLASH/PROM:
- *  - until memory controller is set up, only registers avaiable
+ *  - until memory controller is set up, only registers available
  *  - no global variables available for writing
- *  - constants avaiable
+ *  - constants available
  */
 
 void cpu_init_f(void)
 
  * initialize a bunch of registers.
  *
  * Run from FLASH/PROM:
- *  - until memory controller is set up, only registers avaiable
+ *  - until memory controller is set up, only registers available
  *  - no global variables available for writing
- *  - constants avaiable
+ *  - constants available
  */
 
 void cpu_init_f(void)
 
                                        break;
                        }
                        if (dev == NULL) {
-                               printf("*** NO Device avaiable ***\n");
+                               printf("*** No device available ***\n");
                                return 0;
                        } else {
                                usb_display_desc(dev);
 
                dev = usb_get_dev_index(i); /* get device */
                USB_STOR_PRINTF("i=%d\n", i);
                if (dev == NULL)
-                       break; /* no more devices avaiable */
+                       break; /* no more devices available */
 
                if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) {
                        /* OK, it's a storage device.  Iterate over its LUNs
 
 #define RBF_MULTICAST (1<<30)
 #define RBF_UNICAST   (1<<29)
 #define RBF_EXTERNAL  (1<<28)
-#define RBF_UNKOWN    (1<<27)
+#define RBF_UNKNOWN   (1<<27)
 #define RBF_SIZE      0x07ff
 #define RBF_LOCAL4    (1<<26)
 #define RBF_LOCAL3    (1<<25)
 
 #endif
                                default:
                                        /* unknown */
-                                       putLabeledWord("UNKOWN COMPRESSION METHOD = ", jNode->compr);
+                                       putLabeledWord("UNKNOWN COMPRESSION METHOD = ", jNode->compr);
                                        put_fl_mem(jNode, pL->readbuf);
                                        return -1;
                                        break;
 
 #endif
                        default:
                                /* unknown */
-                               putLabeledWord("UNKOWN COMPRESSION METHOD = ", inode->compr);
+                               putLabeledWord("UNKNOWN COMPRESSION METHOD = ", inode->compr);
                                return -1;
                        }
                }