Scrabble is a trademark name.

kotp · web-flow · commit fb18b664205e · 2019-08-26T09:48:25.000-04:00
It should be capitalized.  It is also a noun, meaning a "doodle", and a verb, such as what this description could be considered.

In our case, we are referring to the trademarked name of the game Scrabble.
diff --git a/exercises/scrabble-score/description.md b/exercises/scrabble-score/description.md
@@ -1,4 +1,4 @@
-Given a word, compute the scrabble score for that word.
+Given a word, compute the Scrabble score for that word.
 
 ## Letter Values
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Given a word, compute the scrabble score for that word.`
	`1`	`+Given a word, compute the Scrabble score for that word.`
`2`	`2`
`3`	`3`	`## Letter Values`
`4`	`4`