top(1): Fix two speeling errors I introduced

svn path=/head/; revision=334544

usr.bin/top/screen.c

@@ -3,7 +3,7 @@
  *  Version 3
  *
  *  This program may be freely redistributed,
- *  but this entire ceomment MUST remain intact.
+ *  but this entire comment MUST remain intact.
  *
  *  Copyright (c) 1984, 1989, William LeFebvre, Rice University
  *  Copyright (c) 1989, 1990, 1992, William LeFebvre, Northwestern University

usr.bin/top/top.c

@@ -264,7 +264,7 @@ main(int argc, char *argv[])
      * Since top(1) is often long running and
      * doesn't typically care about where its running from
      * chdir to the root to allow unmounting of its
-     * originall wd. Failure is alright as this is
+     * original wd. Failure is alright as this is
      * just a courtesy for users.
      */
     chdir("/");