moved description to note

entries/garith.md

@@ -1,7 +1,5 @@
 # Garith
 
-_Math game similar to BSD's "arithmetic" or TuxMath._
-
 - Home: https://www.thregr.org/~wavexx/software/garith/
 - State: mature, inactive since 2013
 - Keywords: educational, open content
@@ -12,4 +10,6 @@ _Math game similar to BSD's "arithmetic" or TuxMath._
 - Assets license: LGPL
 - Developer: Yuri D'Elia
 
+Math game similar to BSD's "arithmetic" or TuxMath.
+
 ## Building