Fix typo

Author: sagamusix

Dist/README.2ND

@@ -51,7 +51,7 @@
           Trixter / Hornet
             for sharing his considerable knowledge on the workings
             of early EGA/VGA and for some reverse engineering help.
-          Saga_Music / Nuance
+          Saga Musix / Nuance
             for his insight into STMIK and the Scream Tracker
             module format.