fixed missspelling

configs/alias_useful.fish

@@ -276,9 +276,9 @@ end
 
 if test -e /usr/bin/mpv
     alias uni_play='mpv --vo=tct'
-    alias asci_play='mpv --vo=caca'
+    alias ascii_play='mpv --vo=caca'
 else
-    for cmd in uni_play asci_play
+    for cmd in uni_play ascii_play
         function $cmd --inherit-variable cmd
             echo "The command 'mpv' is not installed. Please install mpv to use this: https://github.com/mpv-player/mpv"
         end