Fixed typo in manual.

man/hnefatafl_eng.6

@@ -69,11 +69,11 @@ starts the program with the ruleset specified by
 .I /home/user/hnefatafl/tablut
 using the command line interface.
 .SH SUPPORTED GAMES
-This should be interpreted as a to do-list. The purpose of the program
-is to play hnefatafl and tablut as well as possible. Very little has
-been done to support Irish, Welsh and other variants of the game, mostly
-because every additional rule slows down the computer player, but also
-to avoid feature bloat.
+This should not be interpreted as a to do-list. The purpose of the
+program is to play hnefatafl and tablut as well as possible. Very little
+has been done to support Irish, Welsh and other variants of the game,
+mostly because every additional rule slows down the computer player, but
+also to avoid feature bloat.
 
 The following games are supported:
 .RS