Yet more simple fixes, mostly spelling.

This should be my last batch of these big fixes.

That's not to say there aren't still more things to fix.  There
certainly are.  But, I expect my future fixes will be smaller.

lib/world/wld/27.wld

@@ -62,7 +62,7 @@ creature in room 2763.  Once you have the orb, you must defeat the sorceress in
 the normal way and then USE ORB as soon as she is gone and only her staff
 remains.  This will dissolve the remaining fire elemental and kill the sorceress
 permanently.  It will also leave behind everything she was wearing.  By the way,
-her firey dress will burn whoever wears it, unless they are also wearing the
+her fiery dress will burn whoever wears it, unless they are also wearing the
 crystal nymph ring.
 ~
 E
@@ -720,7 +720,7 @@ ground, forgotten and left to rot.
 E
 old cobwebs~
    These webs look to be years old, any beauty to their carefully woven
-structure long eroded, greyed and dimmed so that they are little more than
+structure long eroded, grayed and dimmed so that they are little more than
 fluttering ghosts in the breeze.
 ~
 S
@@ -1878,7 +1878,7 @@ T 2779
 An Abandoned Nursery~
    This is a child's room, the tiny bed and furnishings decorated with the
 jewels and lace one would bestow upon a little girl.  Long abandoned, layers of
-old grey dust cover the once beautiful surfaces of wood and satin.  Dreary
+old gray dust cover the once beautiful surfaces of wood and satin.  Dreary
 cobwebs linger in the corners like ghostly shadows, whispering silent words in
 the cool breeze.
 ~
@@ -1979,7 +1979,7 @@ D1
 S
 #2787
 Miru, the Dust~
-   Solid, compact grey blocks of stone make up the structure of this room,
+   Solid, compact gray blocks of stone make up the structure of this room,
 cemented together and solid beyond breaking.  Hard flawless gems twinkle
 brightly amongst the mosaic slate pieces of the floor, a coolness emanating from
 every elemental substance in this room.