9842 man page typos and spelling

@@ -75,11 +75,11 @@
                      The first integer of each tuple should be set to -1,
                      specifying that any SBus slot may be matched. The second
                      integer of each 3-tuple specifies the offset in the slot
                      address space identified by the first element.  The third
                      integer of each 3-tuple specifies the size in bytes of
-                     the mappable resoure.
+                     the mappable resource.
 
                      The registers property can only be used to augment an
                      incompletely specified reg property with information from
                      a driver configuration file.  It may only be specified in
                      a driver configuration file.