Some README changes

Ladder/README.md

@@ -6,7 +6,7 @@ Ladder was originally written for the CP/M operating system and the game came bu
     10970 Ashton Ave, Suite 312
     Los Angeles, CA
 
-For information on the game, see: [https://en.wikipedia.org/wiki/Ladder_(video_game)](Wikipedia)
+For information on the game, see: [Wikipedia](https://en.wikipedia.org/wiki/Ladder_(video_game))
 
 This version is adapted to VT100 ANSI escape sequences.
 

README.md

@@ -16,8 +16,8 @@ See this repository: https://git.imzadi.de/acn/backgammon-vt100
 
 ## Games in this repository
 
-* [2048/](2048)
-* [Ladder/](Ladder)
-* [Rogue/](Rogue)
-* [Wanderer/](Wanderer)
+* [2048](2048/)
+* [Ladder](Ladder/)
+* [Rogue](Rogue)/
+* [Wanderer](Wanderer/)