README.md in lightgbm-0.1.9 vs README.md in lightgbm-0.2.0

@@ -127,10 +127,10 @@
 
 ```ruby
 [[1, 2, 3], [4, 5, 6]]
 ```
 
-Or a Numo NArray
+Or a Numo array
 
 ```ruby
 Numo::NArray.cast([[1, 2, 3], [4, 5, 6]])
 ```