etl: sync version to problem spec

exercises/etl/.meta/version

@@ -1 +1 @@
-2.0.0
+2.0.1

exercises/etl/README.md

@@ -13,7 +13,7 @@ moaning about how stupid we could possibly be.)
 
 ### The goal
 
-We're going to extract some scrabble scores from a legacy system.
+We're going to extract some Scrabble scores from a legacy system.
 
 The old system stored a list of letters per score:
 
@@ -25,7 +25,7 @@ The old system stored a list of letters per score:
 - 8 points: "J", "X",
 - 10 points: "Q", "Z",
 
-The shiny new scrabble system instead stores the score per letter, which
+The shiny new Scrabble system instead stores the score per letter, which
 makes it much faster and easier to calculate the score for a word. It
 also stores the letters in lower-case regardless of the case of the
 input letters:

exercises/etl/etl.test

@@ -1,5 +1,5 @@
 #!/usr/bin/env tclsh
-set version 2.0.0
+set version 2.0.1
 package require tcltest
 namespace import ::tcltest::*
 source "etl.tcl"