Update 02.2.md

ddelapaz · jameswpm · commit 16088e6fcc07 · 2016-09-27T16:12:42.000-03:00
Quick fix, sentence had a typo. Removed extra 'a'.
diff --git a/en/02.2.md b/en/02.2.md
@@ -244,7 +244,7 @@ The reason that Go is concise because it has some default behaviors.
 
 ### array
 
-`array` is an array obviously, we define a one as follows.
+`array` is an array obviously, we define one as follows.
 
 	var arr [n]type
 	
